257419196

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{20359}}^1$

素因数の和:20501

約数の個数: 24

約数和(自身を含む): 470316000

約数和(自身を除く): 212896804

約数列:

[1, 2, 4, 29, 58, 109, 116, 218, 436, 3161, 6322, 12644, 20359, 40718, 81436, 590411, 1180822, 2219131, 2361644, 4438262, 8876524, 64354799, 128709598, 257419196]

約数ペア:

[(1, 257419196), (2, 128709598), (4, 64354799), (29, 8876524), (58, 4438262), (109, 2361644), (116, 2219131), (218, 1180822), (436, 590411), (3161, 81436), (6322, 40718), (12644, 20359)]