2011557890

素因数分解:

$2^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{261581}}^1$

素因数の和:262357

約数の個数: 16

約数和(自身を含む): 3625526520

約数和(自身を除く): 1613968630

約数列:

[1, 2, 5, 10, 769, 1538, 3845, 7690, 261581, 523162, 1307905, 2615810, 201155789, 402311578, 1005778945, 2011557890]

約数ペア:

[(1, 2011557890), (2, 1005778945), (5, 402311578), (10, 201155789), (769, 2615810), (1538, 1307905), (3845, 523162), (7690, 261581)]