81300778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{3727}}^1$

素因数の和:4581

約数の個数: 16

約数和(自身を含む): 131523840

約数和(自身を除く): 50223062

約数列:

[1, 2, 13, 26, 839, 1678, 3727, 7454, 10907, 21814, 48451, 96902, 3126953, 6253906, 40650389, 81300778]

約数ペア:

[(1, 81300778), (2, 40650389), (13, 6253906), (26, 3126953), (839, 96902), (1678, 48451), (3727, 21814), (7454, 10907)]