128908585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{15139}}^1$

素因数の和:15288

約数の個数: 16

約数和(自身を含む): 167872320

約数和(自身を除く): 38963735

約数列:

[1, 5, 13, 65, 131, 655, 1703, 8515, 15139, 75695, 196807, 984035, 1983209, 9916045, 25781717, 128908585]

約数ペア:

[(1, 128908585), (5, 25781717), (13, 9916045), (65, 1983209), (131, 984035), (655, 196807), (1703, 75695), (8515, 15139)]