205403018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{10657}}^1$

素因数の和:11101

約数の個数: 16

約数和(自身を含む): 322297920

約数和(自身を除く): 116894902

約数列:

[1, 2, 23, 46, 419, 838, 9637, 10657, 19274, 21314, 245111, 490222, 4465283, 8930566, 102701509, 205403018]

約数ペア:

[(1, 205403018), (2, 102701509), (23, 8930566), (46, 4465283), (419, 490222), (838, 245111), (9637, 21314), (10657, 19274)]