491489405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1213}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 660804480

約数和(自身を除く): 169315075

約数列:

[1, 5, 11, 53, 55, 139, 265, 583, 695, 1213, 1529, 2915, 6065, 7367, 7645, 13343, 36835, 64289, 66715, 81037, 168607, 321445, 405185, 707179, 843035, 1854677, 3535895, 8936171, 9273385, 44680855, 98297881, 491489405]

約数ペア:

[(1, 491489405), (5, 98297881), (11, 44680855), (53, 9273385), (55, 8936171), (139, 3535895), (265, 1854677), (583, 843035), (695, 707179), (1213, 405185), (1529, 321445), (2915, 168607), (6065, 81037), (7367, 66715), (7645, 64289), (13343, 36835)]