82180228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{22259}}^1$

素因数の和:22347

約数の個数: 24

約数和(自身を含む): 157066560

約数和(自身を除く): 74886332

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 22259, 44518, 89036, 289367, 578734, 1157468, 1580389, 3160778, 6321556, 20545057, 41090114, 82180228]

約数ペア:

[(1, 82180228), (2, 41090114), (4, 20545057), (13, 6321556), (26, 3160778), (52, 1580389), (71, 1157468), (142, 578734), (284, 289367), (923, 89036), (1846, 44518), (3692, 22259)]