72920812

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 129830400

約数和(自身を除く): 56909588

約数列:

[1, 2, 4, 83, 166, 239, 332, 478, 919, 956, 1838, 3676, 19837, 39674, 76277, 79348, 152554, 219641, 305108, 439282, 878564, 18230203, 36460406, 72920812]

約数ペア:

[(1, 72920812), (2, 36460406), (4, 18230203), (83, 878564), (166, 439282), (239, 305108), (332, 219641), (478, 152554), (919, 79348), (956, 76277), (1838, 39674), (3676, 19837)]