2008105988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{19861}}^1$

素因数の和:20052

約数の個数: 48

約数和(自身を含む): 4217735424

約数和(自身を除く): 2209629436

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 157, 161, 314, 322, 628, 644, 1099, 2198, 3611, 4396, 7222, 14444, 19861, 25277, 39722, 50554, 79444, 101108, 139027, 278054, 456803, 556108, 913606, 1827212, 3118177, 3197621, 6236354, 6395242, 12472708, 12790484, 21827239, 43654478, 71718071, 87308956, 143436142, 286872284, 502026497, 1004052994, 2008105988]

約数ペア:

[(1, 2008105988), (2, 1004052994), (4, 502026497), (7, 286872284), (14, 143436142), (23, 87308956), (28, 71718071), (46, 43654478), (92, 21827239), (157, 12790484), (161, 12472708), (314, 6395242), (322, 6236354), (628, 3197621), (644, 3118177), (1099, 1827212), (2198, 913606), (3611, 556108), (4396, 456803), (7222, 278054), (14444, 139027), (19861, 101108), (25277, 79444), (39722, 50554)]