219788905

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1579}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 312157440

約数和(自身を除く): 92368535

約数列:

[1, 5, 7, 35, 41, 97, 205, 287, 485, 679, 1435, 1579, 3395, 3977, 7895, 11053, 19885, 27839, 55265, 64739, 139195, 153163, 323695, 453173, 765815, 1072141, 2265865, 5360705, 6279683, 31398415, 43957781, 219788905]

約数ペア:

[(1, 219788905), (5, 43957781), (7, 31398415), (35, 6279683), (41, 5360705), (97, 2265865), (205, 1072141), (287, 765815), (485, 453173), (679, 323695), (1435, 153163), (1579, 139195), (3395, 64739), (3977, 55265), (7895, 27839), (11053, 19885)]