13685425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2477}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 19358136

約数和(自身を除く): 5672711

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 2477, 5525, 12385, 32201, 42109, 61925, 161005, 210545, 547417, 805025, 1052725, 2737085, 13685425]

約数ペア:

[(1, 13685425), (5, 2737085), (13, 1052725), (17, 805025), (25, 547417), (65, 210545), (85, 161005), (221, 61925), (325, 42109), (425, 32201), (1105, 12385), (2477, 5525)]