1285758910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2990137}}^1$

素因数の和:2990187

約数の個数: 16

約数和(自身を含む): 2368189296

約数和(自身を除く): 1082430386

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 2990137, 5980274, 14950685, 29901370, 128575891, 257151782, 642879455, 1285758910]

約数ペア:

[(1, 1285758910), (2, 642879455), (5, 257151782), (10, 128575891), (43, 29901370), (86, 14950685), (215, 5980274), (430, 2990137)]