81442625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 112814208

約数和(自身を除く): 31371583

約数列:

[1, 5, 11, 25, 55, 61, 125, 275, 305, 671, 971, 1375, 1525, 3355, 4855, 7625, 10681, 16775, 24275, 53405, 59231, 83875, 121375, 267025, 296155, 651541, 1335125, 1480775, 3257705, 7403875, 16288525, 81442625]

約数ペア:

[(1, 81442625), (5, 16288525), (11, 7403875), (25, 3257705), (55, 1480775), (61, 1335125), (125, 651541), (275, 296155), (305, 267025), (671, 121375), (971, 83875), (1375, 59231), (1525, 53405), (3355, 24275), (4855, 16775), (7625, 10681)]