199940038

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1\times {\mathrm{1423}}^1$

素因数の和:2019

約数の個数: 16

約数和(自身を含む): 302662656

約数和(自身を除く): 102722618

約数列:

[1, 2, 163, 326, 431, 862, 1423, 2846, 70253, 140506, 231949, 463898, 613313, 1226626, 99970019, 199940038]

約数ペア:

[(1, 199940038), (2, 99970019), (163, 1226626), (326, 613313), (431, 463898), (862, 231949), (1423, 140506), (2846, 70253)]