12856890995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4599961}}^1$

素因数の和:4600022

約数の個数: 16

約数和(自身を含む): 17001459552

約数和(自身を除く): 4144568557

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 4599961, 22999805, 59799493, 197798323, 298997465, 988991615, 2571378199, 12856890995]

約数ペア:

[(1, 12856890995), (5, 2571378199), (13, 988991615), (43, 298997465), (65, 197798323), (215, 59799493), (559, 22999805), (2795, 4599961)]