1687672025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23497}}^1$

素因数の和:23550

約数の個数: 36

約数和(自身を含む): 2399474772

約数和(自身を除く): 711802747

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 425, 845, 1105, 2873, 4225, 5525, 14365, 23497, 71825, 117485, 305461, 399449, 587425, 1527305, 1997245, 3970993, 5192837, 7636525, 9986225, 19854965, 25964185, 67506881, 99274825, 129820925, 337534405, 1687672025]

約数ペア:

[(1, 1687672025), (5, 337534405), (13, 129820925), (17, 99274825), (25, 67506881), (65, 25964185), (85, 19854965), (169, 9986225), (221, 7636525), (325, 5192837), (425, 3970993), (845, 1997245), (1105, 1527305), (2873, 587425), (4225, 399449), (5525, 305461), (14365, 117485), (23497, 71825)]