208656590

素因数分解:

$2^1\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{19891}}^1$

素因数の和:20947

約数の個数: 16

約数和(自身を含む): 375958800

約数和(自身を除く): 167302210

約数列:

[1, 2, 5, 10, 1049, 2098, 5245, 10490, 19891, 39782, 99455, 198910, 20865659, 41731318, 104328295, 208656590]

約数ペア:

[(1, 208656590), (2, 104328295), (5, 41731318), (10, 20865659), (1049, 198910), (2098, 99455), (5245, 39782), (10490, 19891)]