778860848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{11981}}^1$

素因数の和:12245

約数の個数: 40

約数和(自身を含む): 1604629440

約数和(自身を除く): 825768592

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 478, 956, 1912, 3824, 4063, 8126, 11981, 16252, 23962, 32504, 47924, 65008, 95848, 191696, 203677, 407354, 814708, 1629416, 2863459, 3258832, 5726918, 11453836, 22907672, 45815344, 48678803, 97357606, 194715212, 389430424, 778860848]

約数ペア:

[(1, 778860848), (2, 389430424), (4, 194715212), (8, 97357606), (16, 48678803), (17, 45815344), (34, 22907672), (68, 11453836), (136, 5726918), (239, 3258832), (272, 2863459), (478, 1629416), (956, 814708), (1912, 407354), (3824, 203677), (4063, 191696), (8126, 95848), (11981, 65008), (16252, 47924), (23962, 32504)]