87720002

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1\times {\mathrm{1069}}^1$

素因数の和:1621

約数の個数: 16

約数和(自身を含む): 133471800

約数和(自身を除く): 45751798

約数列:

[1, 2, 89, 178, 461, 922, 1069, 2138, 41029, 82058, 95141, 190282, 492809, 985618, 43860001, 87720002]

約数ペア:

[(1, 87720002), (2, 43860001), (89, 985618), (178, 492809), (461, 190282), (922, 95141), (1069, 82058), (2138, 41029)]