12881275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 17998848

約数和(自身を除く): 5117573

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1511, 1705, 7555, 8525, 16621, 37775, 46841, 83105, 234205, 415525, 515251, 1171025, 2576255, 12881275]

約数ペア:

[(1, 12881275), (5, 2576255), (11, 1171025), (25, 515251), (31, 415525), (55, 234205), (155, 83105), (275, 46841), (341, 37775), (775, 16621), (1511, 8525), (1705, 7555)]