1890301

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 2304000

約数和(自身を除く): 413699

約数列:

[1, 7, 23, 59, 161, 199, 413, 1357, 1393, 4577, 9499, 11741, 32039, 82187, 270043, 1890301]

約数ペア:

[(1, 1890301), (7, 270043), (23, 82187), (59, 32039), (161, 11741), (199, 9499), (413, 4577), (1357, 1393)]