251957328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 160

約数和(自身を含む): 797091840

約数和(自身を除く): 545134512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 61, 76, 84, 112, 114, 122, 133, 152, 168, 183, 228, 244, 266, 304, 336, 366, 399, 427, 456, 488, 532, 647, 732, 798, 854, 912, 976, 1064, 1159, 1281, 1294, 1464, 1596, 1708, 1941, 2128, 2318, 2562, 2588, 2928, 3192, 3416, 3477, 3882, 4529, 4636, 5124, 5176, 6384, 6832, 6954, 7764, 8113, 9058, 9272, 10248, 10352, 12293, 13587, 13908, 15528, 16226, 18116, 18544, 20496, 24339, 24586, 27174, 27816, 31056, 32452, 36232, 36879, 39467, 48678, 49172, 54348, 55632, 64904, 72464, 73758, 78934, 86051, 97356, 98344, 108696, 118401, 129808, 147516, 157868, 172102, 194712, 196688, 217392, 236802, 258153, 276269, 295032, 315736, 344204, 389424, 473604, 516306, 552538, 590064, 631472, 688408, 749873, 828807, 947208, 1032612, 1105076, 1376816, 1499746, 1657614, 1894416, 2065224, 2210152, 2249619, 2999492, 3315228, 4130448, 4420304, 4499238, 5249111, 5998984, 6630456, 8998476, 10498222, 11997968, 13260912, 15747333, 17996952, 20996444, 31494666, 35993904, 41992888, 62989332, 83985776, 125978664, 251957328]

約数ペア:

[(1, 251957328), (2, 125978664), (3, 83985776), (4, 62989332), (6, 41992888), (7, 35993904), (8, 31494666), (12, 20996444), (14, 17996952), (16, 15747333), (19, 13260912), (21, 11997968), (24, 10498222), (28, 8998476), (38, 6630456), (42, 5998984), (48, 5249111), (56, 4499238), (57, 4420304), (61, 4130448), (76, 3315228), (84, 2999492), (112, 2249619), (114, 2210152), (122, 2065224), (133, 1894416), (152, 1657614), (168, 1499746), (183, 1376816), (228, 1105076), (244, 1032612), (266, 947208), (304, 828807), (336, 749873), (366, 688408), (399, 631472), (427, 590064), (456, 552538), (488, 516306), (532, 473604), (647, 389424), (732, 344204), (798, 315736), (854, 295032), (912, 276269), (976, 258153), (1064, 236802), (1159, 217392), (1281, 196688), (1294, 194712), (1464, 172102), (1596, 157868), (1708, 147516), (1941, 129808), (2128, 118401), (2318, 108696), (2562, 98344), (2588, 97356), (2928, 86051), (3192, 78934), (3416, 73758), (3477, 72464), (3882, 64904), (4529, 55632), (4636, 54348), (5124, 49172), (5176, 48678), (6384, 39467), (6832, 36879), (6954, 36232), (7764, 32452), (8113, 31056), (9058, 27816), (9272, 27174), (10248, 24586), (10352, 24339), (12293, 20496), (13587, 18544), (13908, 18116), (15528, 16226)]