656892028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2309}}^1\times {\mathrm{5471}}^1$

素因数の和:7797

約数の個数: 24

約数和(自身を含む): 1238751360

約数和(自身を除く): 581859332

約数列:

[1, 2, 4, 13, 26, 52, 2309, 4618, 5471, 9236, 10942, 21884, 30017, 60034, 71123, 120068, 142246, 284492, 12632539, 25265078, 50530156, 164223007, 328446014, 656892028]

約数ペア:

[(1, 656892028), (2, 328446014), (4, 164223007), (13, 50530156), (26, 25265078), (52, 12632539), (2309, 284492), (4618, 142246), (5471, 120068), (9236, 71123), (10942, 60034), (21884, 30017)]