31871190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 83607552

約数和(自身を除く): 51736362

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 923, 1065, 1151, 1846, 2130, 2302, 2769, 3453, 4615, 5538, 5755, 6906, 9230, 11510, 13845, 14963, 17265, 27690, 29926, 34530, 44889, 74815, 81721, 89778, 149630, 163442, 224445, 245163, 408605, 448890, 490326, 817210, 1062373, 1225815, 2124746, 2451630, 3187119, 5311865, 6374238, 10623730, 15935595, 31871190]

約数ペア:

[(1, 31871190), (2, 15935595), (3, 10623730), (5, 6374238), (6, 5311865), (10, 3187119), (13, 2451630), (15, 2124746), (26, 1225815), (30, 1062373), (39, 817210), (65, 490326), (71, 448890), (78, 408605), (130, 245163), (142, 224445), (195, 163442), (213, 149630), (355, 89778), (390, 81721), (426, 74815), (710, 44889), (923, 34530), (1065, 29926), (1151, 27690), (1846, 17265), (2130, 14963), (2302, 13845), (2769, 11510), (3453, 9230), (4615, 6906), (5538, 5755)]