181398

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{617}}^1$

素因数の和:636

約数の個数: 24

約数和(自身を含む): 422712

約数和(自身を除く): 241314

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 617, 1234, 1851, 3702, 4319, 8638, 12957, 25914, 30233, 60466, 90699, 181398]

約数ペア:

[(1, 181398), (2, 90699), (3, 60466), (6, 30233), (7, 25914), (14, 12957), (21, 8638), (42, 4319), (49, 3702), (98, 1851), (147, 1234), (294, 617)]