68780663

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 83790000

約数和(自身を除く): 15009337

約数列:

[1, 7, 29, 49, 97, 203, 499, 679, 1421, 2813, 3493, 4753, 14471, 19691, 24451, 48403, 101297, 137837, 338821, 709079, 1403687, 2371747, 9825809, 68780663]

約数ペア:

[(1, 68780663), (7, 9825809), (29, 2371747), (49, 1403687), (97, 709079), (203, 338821), (499, 137837), (679, 101297), (1421, 48403), (2813, 24451), (3493, 19691), (4753, 14471)]