81251212

素因数分解:

$2^2\times 7^3\times {\mathrm{59221}}^1$

素因数の和:59246

約数の個数: 24

約数和(自身を含む): 165821600

約数和(自身を除く): 84570388

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 59221, 118442, 236884, 414547, 829094, 1658188, 2901829, 5803658, 11607316, 20312803, 40625606, 81251212]

約数ペア:

[(1, 81251212), (2, 40625606), (4, 20312803), (7, 11607316), (14, 5803658), (28, 2901829), (49, 1658188), (98, 829094), (196, 414547), (343, 236884), (686, 118442), (1372, 59221)]