9840025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 14091732

約数和(自身を除く): 4251707

約数列:

[1, 5, 13, 17, 25, 65, 85, 137, 169, 221, 325, 425, 685, 845, 1105, 1781, 2329, 2873, 3425, 4225, 5525, 8905, 11645, 14365, 23153, 30277, 44525, 58225, 71825, 115765, 151385, 393601, 578825, 756925, 1968005, 9840025]

約数ペア:

[(1, 9840025), (5, 1968005), (13, 756925), (17, 578825), (25, 393601), (65, 151385), (85, 115765), (137, 71825), (169, 58225), (221, 44525), (325, 30277), (425, 23153), (685, 14365), (845, 11645), (1105, 8905), (1781, 5525), (2329, 4225), (2873, 3425)]