89709425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1302

約数の個数: 36

約数和(自身を含む): 127642500

約数和(自身を除く): 37933075

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 425, 845, 1105, 1249, 2873, 4225, 5525, 6245, 14365, 16237, 21233, 31225, 71825, 81185, 106165, 211081, 276029, 405925, 530825, 1055405, 1380145, 3588377, 5277025, 6900725, 17941885, 89709425]

約数ペア:

[(1, 89709425), (5, 17941885), (13, 6900725), (17, 5277025), (25, 3588377), (65, 1380145), (85, 1055405), (169, 530825), (221, 405925), (325, 276029), (425, 211081), (845, 106165), (1105, 81185), (1249, 71825), (2873, 31225), (4225, 21233), (5525, 16237), (6245, 14365)]