28258984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1667}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 57445920

約数和(自身を除く): 29186936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1304, 1667, 2119, 3334, 4238, 6668, 8476, 13336, 16952, 21671, 43342, 86684, 173368, 271721, 543442, 1086884, 2173768, 3532373, 7064746, 14129492, 28258984]

約数ペア:

[(1, 28258984), (2, 14129492), (4, 7064746), (8, 3532373), (13, 2173768), (26, 1086884), (52, 543442), (104, 271721), (163, 173368), (326, 86684), (652, 43342), (1304, 21671), (1667, 16952), (2119, 13336), (3334, 8476), (4238, 6668)]