64608509

素因数分解:

$7^4\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 20

約数和(自身を含む): 76635360

約数和(自身を除く): 12026851

約数列:

[1, 7, 49, 71, 343, 379, 497, 2401, 2653, 3479, 18571, 24353, 26909, 129997, 170471, 188363, 909979, 1318541, 9229787, 64608509]

約数ペア:

[(1, 64608509), (7, 9229787), (49, 1318541), (71, 909979), (343, 188363), (379, 170471), (497, 129997), (2401, 26909), (2653, 24353), (3479, 18571)]