25139591999

素因数分解:

${\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{3449}}^1$

素因数の和:3879

約数の個数: 24

約数和(自身を含む): 27056638800

約数和(自身を除く): 1917046801

約数列:

[1, 19, 61, 331, 361, 1159, 3449, 6289, 20191, 22021, 65531, 119491, 210389, 383629, 1141619, 1245089, 3997391, 7288951, 21690761, 69638759, 75950429, 412124459, 1323136421, 25139591999]

約数ペア:

[(1, 25139591999), (19, 1323136421), (61, 412124459), (331, 75950429), (361, 69638759), (1159, 21690761), (3449, 7288951), (6289, 3997391), (20191, 1245089), (22021, 1141619), (65531, 383629), (119491, 210389)]