78128495

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{2017}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 96089088

約数和(自身を除く): 17960593

約数列:

[1, 5, 61, 127, 305, 635, 2017, 7747, 10085, 38735, 123037, 256159, 615185, 1280795, 15625699, 78128495]

約数ペア:

[(1, 78128495), (5, 15625699), (61, 1280795), (127, 615185), (305, 256159), (635, 123037), (2017, 38735), (7747, 10085)]