78917878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{547}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 132572160

約数和(自身を除く): 53654282

約数列:

[1, 2, 13, 26, 31, 62, 179, 358, 403, 547, 806, 1094, 2327, 4654, 5549, 7111, 11098, 14222, 16957, 33914, 72137, 97913, 144274, 195826, 220441, 440882, 1272869, 2545738, 3035303, 6070606, 39458939, 78917878]

約数ペア:

[(1, 78917878), (2, 39458939), (13, 6070606), (26, 3035303), (31, 2545738), (62, 1272869), (179, 440882), (358, 220441), (403, 195826), (547, 144274), (806, 97913), (1094, 72137), (2327, 33914), (4654, 16957), (5549, 14222), (7111, 11098)]