81519492092

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{550807379}}^1$

素因数の和:550807420

約数の個数: 12

約数和(自身を含む): 146514763080

約数和(自身を除く): 64995270988

約数列:

[1, 2, 4, 37, 74, 148, 550807379, 1101614758, 2203229516, 20379873023, 40759746046, 81519492092]

約数ペア:

[(1, 81519492092), (2, 40759746046), (4, 20379873023), (37, 2203229516), (74, 1101614758), (148, 550807379)]