221805922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1\times {\mathrm{4957}}^1$

素因数の和:6693

約数の個数: 16

約数和(自身を含む): 358582392

約数和(自身を除く): 136776470

約数列:

[1, 2, 13, 26, 1721, 3442, 4957, 9914, 22373, 44746, 64441, 128882, 8530997, 17061994, 110902961, 221805922]

約数ペア:

[(1, 221805922), (2, 110902961), (13, 17061994), (26, 8530997), (1721, 128882), (3442, 64441), (4957, 44746), (9914, 22373)]