22222228

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18457}}^1$

素因数の和:18511

約数の個数: 24

約数和(自身を含む): 45480512

約数和(自身を除く): 23258284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 18457, 36914, 73828, 129199, 258398, 516796, 793651, 1587302, 3174604, 5555557, 11111114, 22222228]

約数ペア:

[(1, 22222228), (2, 11111114), (4, 5555557), (7, 3174604), (14, 1587302), (28, 793651), (43, 516796), (86, 258398), (172, 129199), (301, 73828), (602, 36914), (1204, 18457)]