217980396

素因数分解:

$2^2\times 3^4\times {\mathrm{672779}}^1$

素因数の和:672795

約数の個数: 30

約数和(自身を含む): 569844660

約数和(自身を除く): 351864264

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 672779, 1345558, 2018337, 2691116, 4036674, 6055011, 8073348, 12110022, 18165033, 24220044, 36330066, 54495099, 72660132, 108990198, 217980396]

約数ペア:

[(1, 217980396), (2, 108990198), (3, 72660132), (4, 54495099), (6, 36330066), (9, 24220044), (12, 18165033), (18, 12110022), (27, 8073348), (36, 6055011), (54, 4036674), (81, 2691116), (108, 2018337), (162, 1345558), (324, 672779)]