1640376

素因数分解:

$2^3\times 3^2\times {\mathrm{22783}}^1$

素因数の和:22795

約数の個数: 24

約数和(自身を含む): 4442880

約数和(自身を除く): 2802504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 22783, 45566, 68349, 91132, 136698, 182264, 205047, 273396, 410094, 546792, 820188, 1640376]

約数ペア:

[(1, 1640376), (2, 820188), (3, 546792), (4, 410094), (6, 273396), (8, 205047), (9, 182264), (12, 136698), (18, 91132), (24, 68349), (36, 45566), (72, 22783)]