64400856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{206413}}^1$

素因数の和:206435

約数の個数: 32

約数和(自身を含む): 173387760

約数和(自身を除く): 108986904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 206413, 412826, 619239, 825652, 1238478, 1651304, 2476956, 2683369, 4953912, 5366738, 8050107, 10733476, 16100214, 21466952, 32200428, 64400856]

約数ペア:

[(1, 64400856), (2, 32200428), (3, 21466952), (4, 16100214), (6, 10733476), (8, 8050107), (12, 5366738), (13, 4953912), (24, 2683369), (26, 2476956), (39, 1651304), (52, 1238478), (78, 825652), (104, 619239), (156, 412826), (312, 206413)]