28657692007

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{341647}}^1$

素因数の和:342198

約数の個数: 16

約数和(自身を含む): 34241329152

約数和(自身を除く): 5583637145

約数列:

[1, 7, 23, 161, 521, 3647, 11983, 83881, 341647, 2391529, 7857881, 55005167, 177998087, 1245986609, 4093956001, 28657692007]

約数ペア:

[(1, 28657692007), (7, 4093956001), (23, 1245986609), (161, 177998087), (521, 55005167), (3647, 7857881), (11983, 2391529), (83881, 341647)]