289147625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2917}}^1$

素因数の和:3006

約数の個数: 32

約数和(自身を含む): 395120544

約数和(自身を除く): 105972919

約数列:

[1, 5, 13, 25, 61, 65, 125, 305, 325, 793, 1525, 1625, 2917, 3965, 7625, 14585, 19825, 37921, 72925, 99125, 177937, 189605, 364625, 889685, 948025, 2313181, 4448425, 4740125, 11565905, 22242125, 57829525, 289147625]

約数ペア:

[(1, 289147625), (5, 57829525), (13, 22242125), (25, 11565905), (61, 4740125), (65, 4448425), (125, 2313181), (305, 948025), (325, 889685), (793, 364625), (1525, 189605), (1625, 177937), (2917, 99125), (3965, 72925), (7625, 37921), (14585, 19825)]