81180508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19571}}^1$

素因数の和:19653

約数の個数: 24

約数和(自身を含む): 152896464

約数和(自身を除く): 71715956

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 19571, 39142, 78284, 332707, 665414, 1193831, 1330828, 2387662, 4775324, 20295127, 40590254, 81180508]

約数ペア:

[(1, 81180508), (2, 40590254), (4, 20295127), (17, 4775324), (34, 2387662), (61, 1330828), (68, 1193831), (122, 665414), (244, 332707), (1037, 78284), (2074, 39142), (4148, 19571)]