396500398

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1490603}}^1$

素因数の和:1490631

約数の個数: 16

約数和(自身を含む): 715489920

約数和(自身を除く): 318989522

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1490603, 2981206, 10434221, 20868442, 28321457, 56642914, 198250199, 396500398]

約数ペア:

[(1, 396500398), (2, 198250199), (7, 56642914), (14, 28321457), (19, 20868442), (38, 10434221), (133, 2981206), (266, 1490603)]