221480651

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 255840000

約数和(自身を除く): 34359349

約数列:

[1, 7, 163, 389, 499, 1141, 2723, 3493, 63407, 81337, 194111, 443849, 569359, 1358777, 31640093, 221480651]

約数ペア:

[(1, 221480651), (7, 31640093), (163, 1358777), (389, 569359), (499, 443849), (1141, 194111), (2723, 81337), (3493, 63407)]