81874924

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{28001}}^1$

素因数の和:28065

約数の個数: 24

約数和(自身を含む): 155243088

約数和(自身を除く): 73368164

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 28001, 56002, 112004, 476017, 952034, 1204043, 1904068, 2408086, 4816172, 20468731, 40937462, 81874924]

約数ペア:

[(1, 81874924), (2, 40937462), (4, 20468731), (17, 4816172), (34, 2408086), (43, 1904068), (68, 1204043), (86, 952034), (172, 476017), (731, 112004), (1462, 56002), (2924, 28001)]