70399721

素因数分解:

$7^4\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:406

約数の個数: 20

約数和(自身を含む): 83189700

約数和(自身を除く): 12789979

約数列:

[1, 7, 49, 109, 269, 343, 763, 1883, 2401, 5341, 13181, 29321, 37387, 92267, 205247, 261709, 645869, 1436729, 10057103, 70399721]

約数ペア:

[(1, 70399721), (7, 10057103), (49, 1436729), (109, 645869), (269, 261709), (343, 205247), (763, 92267), (1883, 37387), (2401, 29321), (5341, 13181)]