215841912

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1125

約数の個数: 128

約数和(自身を含む): 644958720

約数和(自身を除く): 429116808

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 61, 66, 78, 88, 104, 122, 132, 143, 156, 183, 244, 264, 286, 312, 366, 429, 488, 572, 671, 732, 793, 858, 1031, 1144, 1342, 1464, 1586, 1716, 2013, 2062, 2379, 2684, 3093, 3172, 3432, 4026, 4124, 4758, 5368, 6186, 6344, 8052, 8248, 8723, 9516, 11341, 12372, 13403, 16104, 17446, 19032, 22682, 24744, 26169, 26806, 34023, 34892, 40209, 45364, 52338, 53612, 62891, 68046, 69784, 80418, 90728, 104676, 107224, 125782, 136092, 147433, 160836, 188673, 209352, 251564, 272184, 294866, 321672, 377346, 442299, 503128, 589732, 691801, 754692, 817583, 884598, 1179464, 1383602, 1509384, 1635166, 1769196, 2075403, 2452749, 2767204, 3270332, 3538392, 4150806, 4905498, 5534408, 6540664, 8301612, 8993413, 9810996, 16603224, 17986826, 19621992, 26980239, 35973652, 53960478, 71947304, 107920956, 215841912]

約数ペア:

[(1, 215841912), (2, 107920956), (3, 71947304), (4, 53960478), (6, 35973652), (8, 26980239), (11, 19621992), (12, 17986826), (13, 16603224), (22, 9810996), (24, 8993413), (26, 8301612), (33, 6540664), (39, 5534408), (44, 4905498), (52, 4150806), (61, 3538392), (66, 3270332), (78, 2767204), (88, 2452749), (104, 2075403), (122, 1769196), (132, 1635166), (143, 1509384), (156, 1383602), (183, 1179464), (244, 884598), (264, 817583), (286, 754692), (312, 691801), (366, 589732), (429, 503128), (488, 442299), (572, 377346), (671, 321672), (732, 294866), (793, 272184), (858, 251564), (1031, 209352), (1144, 188673), (1342, 160836), (1464, 147433), (1586, 136092), (1716, 125782), (2013, 107224), (2062, 104676), (2379, 90728), (2684, 80418), (3093, 69784), (3172, 68046), (3432, 62891), (4026, 53612), (4124, 52338), (4758, 45364), (5368, 40209), (6186, 34892), (6344, 34023), (8052, 26806), (8248, 26169), (8723, 24744), (9516, 22682), (11341, 19032), (12372, 17446), (13403, 16104)]