1640856968

素因数分解:

$2^3\times {\mathrm{607}}^1\times {\mathrm{337903}}^1$

素因数の和:338516

約数の個数: 16

約数和(自身を含む): 3081684480

約数和(自身を除く): 1440827512

約数列:

[1, 2, 4, 8, 607, 1214, 2428, 4856, 337903, 675806, 1351612, 2703224, 205107121, 410214242, 820428484, 1640856968]

約数ペア:

[(1, 1640856968), (2, 820428484), (4, 410214242), (8, 205107121), (607, 2703224), (1214, 1351612), (2428, 675806), (4856, 337903)]