78490321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1871}}^1$

素因数の和:2352

約数の個数: 16

約数和(自身を含む): 96864768

約数和(自身を除く): 18374447

約数列:

[1, 7, 13, 91, 461, 1871, 3227, 5993, 13097, 24323, 41951, 170261, 862531, 6037717, 11212903, 78490321]

約数ペア:

[(1, 78490321), (7, 11212903), (13, 6037717), (91, 862531), (461, 170261), (1871, 41951), (3227, 24323), (5993, 13097)]