998075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 1385328

約数和(自身を除く): 387253

約数列:

[1, 5, 13, 25, 37, 65, 83, 185, 325, 415, 481, 925, 1079, 2075, 2405, 3071, 5395, 12025, 15355, 26975, 39923, 76775, 199615, 998075]

約数ペア:

[(1, 998075), (5, 199615), (13, 76775), (25, 39923), (37, 26975), (65, 15355), (83, 12025), (185, 5395), (325, 3071), (415, 2405), (481, 2075), (925, 1079)]