13983905

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 32

約数和(自身を含む): 19420800

約数和(自身を除く): 5436895

約数列:

[1, 5, 13, 19, 65, 67, 95, 169, 247, 335, 845, 871, 1235, 1273, 2197, 3211, 4355, 6365, 10985, 11323, 16055, 16549, 41743, 56615, 82745, 147199, 208715, 215137, 735995, 1075685, 2796781, 13983905]

約数ペア:

[(1, 13983905), (5, 2796781), (13, 1075685), (19, 735995), (65, 215137), (67, 208715), (95, 147199), (169, 82745), (247, 56615), (335, 41743), (845, 16549), (871, 16055), (1235, 11323), (1273, 10985), (2197, 6365), (3211, 4355)]