31987676

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 70143360

約数和(自身を除く): 38155684

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 59, 67, 68, 118, 119, 134, 236, 238, 268, 289, 413, 469, 476, 578, 826, 938, 1003, 1139, 1156, 1652, 1876, 2006, 2023, 2278, 3953, 4012, 4046, 4556, 7021, 7906, 7973, 8092, 14042, 15812, 15946, 17051, 19363, 27671, 28084, 31892, 34102, 38726, 55342, 67201, 68204, 77452, 110684, 119357, 134402, 135541, 238714, 268804, 271082, 470407, 477428, 542164, 940814, 1142417, 1881628, 2284834, 4569668, 7996919, 15993838, 31987676]

約数ペア:

[(1, 31987676), (2, 15993838), (4, 7996919), (7, 4569668), (14, 2284834), (17, 1881628), (28, 1142417), (34, 940814), (59, 542164), (67, 477428), (68, 470407), (118, 271082), (119, 268804), (134, 238714), (236, 135541), (238, 134402), (268, 119357), (289, 110684), (413, 77452), (469, 68204), (476, 67201), (578, 55342), (826, 38726), (938, 34102), (1003, 31892), (1139, 28084), (1156, 27671), (1652, 19363), (1876, 17051), (2006, 15946), (2023, 15812), (2278, 14042), (3953, 8092), (4012, 7973), (4046, 7906), (4556, 7021)]