641534855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{12541}}^1$

素因数の和:13346

約数の個数: 16

約数和(自身を含む): 830180064

約数和(自身を除く): 188645209

約数列:

[1, 5, 13, 65, 787, 3935, 10231, 12541, 51155, 62705, 163033, 815165, 9869767, 49348835, 128306971, 641534855]

約数ペア:

[(1, 641534855), (5, 128306971), (13, 49348835), (65, 9869767), (787, 815165), (3935, 163033), (10231, 62705), (12541, 51155)]