129128522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{4139}}^1$

素因数の和:4981

約数の個数: 16

約数和(自身を含む): 204184800

約数和(自身を除く): 75056278

約数列:

[1, 2, 19, 38, 821, 1642, 4139, 8278, 15599, 31198, 78641, 157282, 3398119, 6796238, 64564261, 129128522]

約数ペア:

[(1, 129128522), (2, 64564261), (19, 6796238), (38, 3398119), (821, 157282), (1642, 78641), (4139, 31198), (8278, 15599)]