664261703

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1\times {\mathrm{1999}}^1$

素因数の和:3326

約数の個数: 16

約数和(自身を含む): 780672000

約数和(自身を除く): 116410297

約数列:

[1, 7, 37, 259, 1283, 1999, 8981, 13993, 47471, 73963, 332297, 517741, 2564717, 17953019, 94894529, 664261703]

約数ペア:

[(1, 664261703), (7, 94894529), (37, 17953019), (259, 2564717), (1283, 517741), (1999, 332297), (8981, 73963), (13993, 47471)]