128515156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10177}}^1$

素因数の和:10240

約数の個数: 48

約数和(自身を含む): 287263872

約数和(自身を除く): 158748716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1804, 3157, 6314, 10177, 12628, 20354, 40708, 71239, 111947, 142478, 223894, 284956, 417257, 447788, 783629, 834514, 1567258, 1669028, 2920799, 3134516, 4589827, 5841598, 9179654, 11683196, 18359308, 32128789, 64257578, 128515156]

約数ペア:

[(1, 128515156), (2, 64257578), (4, 32128789), (7, 18359308), (11, 11683196), (14, 9179654), (22, 5841598), (28, 4589827), (41, 3134516), (44, 2920799), (77, 1669028), (82, 1567258), (154, 834514), (164, 783629), (287, 447788), (308, 417257), (451, 284956), (574, 223894), (902, 142478), (1148, 111947), (1804, 71239), (3157, 40708), (6314, 20354), (10177, 12628)]