15865928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 32201400

約数和(自身を除く): 16335472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 373, 409, 746, 818, 1492, 1636, 2984, 3272, 4849, 5317, 9698, 10634, 19396, 21268, 38792, 42536, 152557, 305114, 610228, 1220456, 1983241, 3966482, 7932964, 15865928]

約数ペア:

[(1, 15865928), (2, 7932964), (4, 3966482), (8, 1983241), (13, 1220456), (26, 610228), (52, 305114), (104, 152557), (373, 42536), (409, 38792), (746, 21268), (818, 19396), (1492, 10634), (1636, 9698), (2984, 5317), (3272, 4849)]