25647572

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 45908520

約数和(自身を除く): 20260948

約数列:

[1, 2, 4, 61, 122, 244, 257, 409, 514, 818, 1028, 1636, 15677, 24949, 31354, 49898, 62708, 99796, 105113, 210226, 420452, 6411893, 12823786, 25647572]

約数ペア:

[(1, 25647572), (2, 12823786), (4, 6411893), (61, 420452), (122, 210226), (244, 105113), (257, 99796), (409, 62708), (514, 49898), (818, 31354), (1028, 24949), (1636, 15677)]