218496716

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{189011}}^1$

素因数の和:189049

約数の個数: 18

約数和(自身を含む): 406186788

約数和(自身を除く): 187690072

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 189011, 378022, 756044, 3213187, 6426374, 12852748, 54624179, 109248358, 218496716]

約数ペア:

[(1, 218496716), (2, 109248358), (4, 54624179), (17, 12852748), (34, 6426374), (68, 3213187), (289, 756044), (578, 378022), (1156, 189011)]