639648965189

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8447}}^1\times {\mathrm{342647}}^1$

素因数の和:351124

約数の個数: 16

約数和(自身を含む): 729461956608

約数和(自身を除く): 89812991419

約数列:

[1, 13, 17, 221, 8447, 109811, 143599, 342647, 1866787, 4454411, 5824999, 75724987, 2894339209, 37626409717, 49203766553, 639648965189]

約数ペア:

[(1, 639648965189), (13, 49203766553), (17, 37626409717), (221, 2894339209), (8447, 75724987), (109811, 5824999), (143599, 4454411), (342647, 1866787)]