128519222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{12451}}^1$

素因数の和:12863

約数の個数: 16

約数和(自身を含む): 208147632

約数和(自身を除く): 79628410

約数列:

[1, 2, 13, 26, 397, 794, 5161, 10322, 12451, 24902, 161863, 323726, 4943047, 9886094, 64259611, 128519222]

約数ペア:

[(1, 128519222), (2, 64259611), (13, 9886094), (26, 4943047), (397, 323726), (794, 161863), (5161, 24902), (10322, 12451)]