78739984

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 156240000

約数和(自身を除く): 77500016

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 239, 349, 472, 478, 698, 944, 956, 1396, 1912, 2792, 3824, 5584, 14101, 20591, 28202, 41182, 56404, 82364, 83411, 112808, 164728, 166822, 225616, 329456, 333644, 667288, 1334576, 4921249, 9842498, 19684996, 39369992, 78739984]

約数ペア:

[(1, 78739984), (2, 39369992), (4, 19684996), (8, 9842498), (16, 4921249), (59, 1334576), (118, 667288), (236, 333644), (239, 329456), (349, 225616), (472, 166822), (478, 164728), (698, 112808), (944, 83411), (956, 82364), (1396, 56404), (1912, 41182), (2792, 28202), (3824, 20591), (5584, 14101)]