520016019

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{2389}}^1$

素因数の和:2519

約数の個数: 24

約数和(自身を含む): 726349680

約数和(自身を除く): 206333661

約数列:

[1, 3, 37, 53, 111, 159, 1369, 1961, 2389, 4107, 5883, 7167, 72557, 88393, 126617, 217671, 265179, 379851, 3270541, 4684829, 9811623, 14054487, 173338673, 520016019]

約数ペア:

[(1, 520016019), (3, 173338673), (37, 14054487), (53, 9811623), (111, 4684829), (159, 3270541), (1369, 379851), (1961, 265179), (2389, 217671), (4107, 126617), (5883, 88393), (7167, 72557)]