16672825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 23436868

約数和(自身を除く): 6764043

約数列:

[1, 5, 13, 25, 29, 61, 65, 145, 305, 325, 377, 725, 793, 841, 1525, 1769, 1885, 3965, 4205, 8845, 9425, 10933, 19825, 21025, 22997, 44225, 51301, 54665, 114985, 256505, 273325, 574925, 666913, 1282525, 3334565, 16672825]

約数ペア:

[(1, 16672825), (5, 3334565), (13, 1282525), (25, 666913), (29, 574925), (61, 273325), (65, 256505), (145, 114985), (305, 54665), (325, 51301), (377, 44225), (725, 22997), (793, 21025), (841, 19825), (1525, 10933), (1769, 9425), (1885, 8845), (3965, 4205)]