64388845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 85536000

約数和(自身を除く): 21147155

約数列:

[1, 5, 23, 29, 43, 115, 145, 215, 449, 667, 989, 1247, 2245, 3335, 4945, 6235, 10327, 13021, 19307, 28681, 51635, 65105, 96535, 143405, 299483, 444061, 559903, 1497415, 2220305, 2799515, 12877769, 64388845]

約数ペア:

[(1, 64388845), (5, 12877769), (23, 2799515), (29, 2220305), (43, 1497415), (115, 559903), (145, 444061), (215, 299483), (449, 143405), (667, 96535), (989, 65105), (1247, 51635), (2245, 28681), (3335, 19307), (4945, 13021), (6235, 10327)]