280878808

素因数分解:

$2^3\times 7^1\times {\mathrm{653}}^1\times {\mathrm{7681}}^1$

素因数の和:8347

約数の個数: 32

約数和(自身を含む): 602883360

約数和(自身を除く): 322004552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 653, 1306, 2612, 4571, 5224, 7681, 9142, 15362, 18284, 30724, 36568, 53767, 61448, 107534, 215068, 430136, 5015693, 10031386, 20062772, 35109851, 40125544, 70219702, 140439404, 280878808]

約数ペア:

[(1, 280878808), (2, 140439404), (4, 70219702), (7, 40125544), (8, 35109851), (14, 20062772), (28, 10031386), (56, 5015693), (653, 430136), (1306, 215068), (2612, 107534), (4571, 61448), (5224, 53767), (7681, 36568), (9142, 30724), (15362, 18284)]