643147142248

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1\times {\mathrm{1087}}^1$

素因数の和:1912

約数の個数: 192

約数和(自身を含む): 1422080409600

約数和(自身を除く): 778933267352

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 169, 247, 248, 338, 403, 494, 589, 676, 743, 806, 988, 1087, 1178, 1352, 1486, 1612, 1976, 2174, 2356, 2972, 3211, 3224, 4348, 4712, 5239, 5944, 6422, 7657, 8696, 9659, 10478, 12844, 14117, 14131, 15314, 19318, 20653, 20956, 23033, 25688, 28234, 28262, 30628, 33697, 38636, 41306, 41912, 46066, 56468, 56524, 61256, 67394, 77272, 82612, 92132, 99541, 112936, 113048, 125567, 134788, 165224, 183521, 183703, 184264, 199082, 251134, 268489, 269576, 299429, 367042, 367406, 398164, 437627, 438061, 502268, 536978, 598858, 640243, 734084, 734812, 796328, 807641, 875254, 876122, 1004536, 1073956, 1197716, 1280486, 1468168, 1469624, 1615282, 1750508, 1752244, 2147912, 2385773, 2395432, 2560972, 3230564, 3490357, 3501016, 3504488, 3892577, 4771546, 5121944, 5689151, 5694793, 6461128, 6980714, 7785154, 8323159, 9543092, 10499333, 11378302, 11389586, 13961428, 15345179, 15570308, 16646318, 19086184, 20998666, 22756604, 22779172, 25036871, 27922856, 30690358, 31140616, 33292636, 41997332, 45513208, 45558344, 50073742, 61380716, 66585272, 73958963, 83994664, 100147484, 108201067, 122761432, 136491329, 147917926, 199487327, 200294968, 216402134, 272982658, 295835852, 325479323, 398974654, 432804268, 475700549, 545965316, 591671704, 650958646, 797949308, 865608536, 951401098, 1091930632, 1301917292, 1595898616, 1902802196, 2593335251, 2603834584, 3805604392, 4231231199, 5186670502, 6184107137, 8462462398, 10373341004, 12368214274, 16924924796, 20746682008, 24736428548, 33849849592, 49472857096, 80393392781, 160786785562, 321573571124, 643147142248]

約数ペア:

[(1, 643147142248), (2, 321573571124), (4, 160786785562), (8, 80393392781), (13, 49472857096), (19, 33849849592), (26, 24736428548), (31, 20746682008), (38, 16924924796), (52, 12368214274), (62, 10373341004), (76, 8462462398), (104, 6184107137), (124, 5186670502), (152, 4231231199), (169, 3805604392), (247, 2603834584), (248, 2593335251), (338, 1902802196), (403, 1595898616), (494, 1301917292), (589, 1091930632), (676, 951401098), (743, 865608536), (806, 797949308), (988, 650958646), (1087, 591671704), (1178, 545965316), (1352, 475700549), (1486, 432804268), (1612, 398974654), (1976, 325479323), (2174, 295835852), (2356, 272982658), (2972, 216402134), (3211, 200294968), (3224, 199487327), (4348, 147917926), (4712, 136491329), (5239, 122761432), (5944, 108201067), (6422, 100147484), (7657, 83994664), (8696, 73958963), (9659, 66585272), (10478, 61380716), (12844, 50073742), (14117, 45558344), (14131, 45513208), (15314, 41997332), (19318, 33292636), (20653, 31140616), (20956, 30690358), (23033, 27922856), (25688, 25036871), (28234, 22779172), (28262, 22756604), (30628, 20998666), (33697, 19086184), (38636, 16646318), (41306, 15570308), (41912, 15345179), (46066, 13961428), (56468, 11389586), (56524, 11378302), (61256, 10499333), (67394, 9543092), (77272, 8323159), (82612, 7785154), (92132, 6980714), (99541, 6461128), (112936, 5694793), (113048, 5689151), (125567, 5121944), (134788, 4771546), (165224, 3892577), (183521, 3504488), (183703, 3501016), (184264, 3490357), (199082, 3230564), (251134, 2560972), (268489, 2395432), (269576, 2385773), (299429, 2147912), (367042, 1752244), (367406, 1750508), (398164, 1615282), (437627, 1469624), (438061, 1468168), (502268, 1280486), (536978, 1197716), (598858, 1073956), (640243, 1004536), (734084, 876122), (734812, 875254), (796328, 807641)]