2223722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 16

約数和(自身を含む): 3544800

約数和(自身を除く): 1321078

約数列:

[1, 2, 19, 38, 139, 278, 421, 842, 2641, 5282, 7999, 15998, 58519, 117038, 1111861, 2223722]

約数ペア:

[(1, 2223722), (2, 1111861), (19, 117038), (38, 58519), (139, 15998), (278, 7999), (421, 5282), (842, 2641)]