818804974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2999}}^1\times {\mathrm{10501}}^1$

素因数の和:13515

約数の個数: 16

約数和(自身を含む): 1323252000

約数和(自身を除く): 504447026

約数列:

[1, 2, 13, 26, 2999, 5998, 10501, 21002, 38987, 77974, 136513, 273026, 31492499, 62984998, 409402487, 818804974]

約数ペア:

[(1, 818804974), (2, 409402487), (13, 62984998), (26, 31492499), (2999, 273026), (5998, 136513), (10501, 77974), (21002, 38987)]