643057792

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5443}}^1$

素因数の和:5541

約数の個数: 64

約数和(自身を含む): 1399325760

約数和(自身を除く): 756267968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 208, 284, 416, 568, 832, 923, 1136, 1664, 1846, 2272, 3692, 4544, 5443, 7384, 9088, 10886, 14768, 21772, 29536, 43544, 59072, 70759, 87088, 118144, 141518, 174176, 283036, 348352, 386453, 566072, 696704, 772906, 1132144, 1545812, 2264288, 3091624, 4528576, 5023889, 6183248, 9057152, 10047778, 12366496, 20095556, 24732992, 40191112, 49465984, 80382224, 160764448, 321528896, 643057792]

約数ペア:

[(1, 643057792), (2, 321528896), (4, 160764448), (8, 80382224), (13, 49465984), (16, 40191112), (26, 24732992), (32, 20095556), (52, 12366496), (64, 10047778), (71, 9057152), (104, 6183248), (128, 5023889), (142, 4528576), (208, 3091624), (284, 2264288), (416, 1545812), (568, 1132144), (832, 772906), (923, 696704), (1136, 566072), (1664, 386453), (1846, 348352), (2272, 283036), (3692, 174176), (4544, 141518), (5443, 118144), (7384, 87088), (9088, 70759), (10886, 59072), (14768, 43544), (21772, 29536)]