1640309045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{556981}}^1$

素因数の和:557036

約数の個数: 16

約数和(自身を含む): 2138810880

約数和(自身を除く): 498501835

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 556981, 2784905, 10582639, 17266411, 52913195, 86332055, 328061809, 1640309045]

約数ペア:

[(1, 1640309045), (5, 328061809), (19, 86332055), (31, 52913195), (95, 17266411), (155, 10582639), (589, 2784905), (2945, 556981)]