217408037

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{6551}}^1$

素因数の和:7000

約数の個数: 16

約数和(自身を含む): 271724544

約数和(自身を除く): 54316507

約数列:

[1, 7, 11, 77, 431, 3017, 4741, 6551, 33187, 45857, 72061, 504427, 2823481, 19764367, 31058291, 217408037]

約数ペア:

[(1, 217408037), (7, 31058291), (11, 19764367), (77, 2823481), (431, 504427), (3017, 72061), (4741, 45857), (6551, 33187)]