31581116

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 72576000

約数和(自身を除く): 40994884

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 29, 38, 46, 58, 76, 89, 92, 116, 133, 161, 178, 203, 266, 322, 356, 406, 437, 532, 551, 623, 644, 667, 812, 874, 1102, 1246, 1334, 1691, 1748, 2047, 2204, 2492, 2581, 2668, 3059, 3382, 3857, 4094, 4669, 5162, 6118, 6764, 7714, 8188, 9338, 10324, 11837, 12236, 12673, 14329, 15428, 18067, 18676, 23674, 25346, 28658, 36134, 38893, 47348, 49039, 50692, 57316, 59363, 72268, 77786, 88711, 98078, 118726, 155572, 177422, 196156, 237452, 272251, 343273, 354844, 415541, 544502, 686546, 831082, 1089004, 1127897, 1373092, 1662164, 2255794, 4511588, 7895279, 15790558, 31581116]

約数ペア:

[(1, 31581116), (2, 15790558), (4, 7895279), (7, 4511588), (14, 2255794), (19, 1662164), (23, 1373092), (28, 1127897), (29, 1089004), (38, 831082), (46, 686546), (58, 544502), (76, 415541), (89, 354844), (92, 343273), (116, 272251), (133, 237452), (161, 196156), (178, 177422), (203, 155572), (266, 118726), (322, 98078), (356, 88711), (406, 77786), (437, 72268), (532, 59363), (551, 57316), (623, 50692), (644, 49039), (667, 47348), (812, 38893), (874, 36134), (1102, 28658), (1246, 25346), (1334, 23674), (1691, 18676), (1748, 18067), (2047, 15428), (2204, 14329), (2492, 12673), (2581, 12236), (2668, 11837), (3059, 10324), (3382, 9338), (3857, 8188), (4094, 7714), (4669, 6764), (5162, 6118)]