521286390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{186841}}^1$

素因数の和:186885

約数の個数: 48

約数和(自身を含む): 1399072896

約数和(自身を除く): 877786506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 186841, 373682, 560523, 934205, 1121046, 1681569, 1868410, 2802615, 3363138, 5605230, 5792071, 8407845, 11584142, 16815690, 17376213, 28960355, 34752426, 52128639, 57920710, 86881065, 104257278, 173762130, 260643195, 521286390]

約数ペア:

[(1, 521286390), (2, 260643195), (3, 173762130), (5, 104257278), (6, 86881065), (9, 57920710), (10, 52128639), (15, 34752426), (18, 28960355), (30, 17376213), (31, 16815690), (45, 11584142), (62, 8407845), (90, 5792071), (93, 5605230), (155, 3363138), (186, 2802615), (279, 1868410), (310, 1681569), (465, 1121046), (558, 934205), (930, 560523), (1395, 373682), (2790, 186841)]