13881581

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 16693248

約数和(自身を除く): 2811667

約数列:

[1, 7, 23, 151, 161, 571, 1057, 3473, 3997, 13133, 24311, 86221, 91931, 603547, 1983083, 13881581]

約数ペア:

[(1, 13881581), (7, 1983083), (23, 603547), (151, 91931), (161, 86221), (571, 24311), (1057, 13133), (3473, 3997)]