13438789

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 18128964

約数和(自身を除く): 4690175

約数列:

[1, 7, 13, 17, 49, 73, 91, 119, 221, 289, 511, 637, 833, 949, 1241, 1547, 2023, 3577, 3757, 6643, 8687, 10829, 14161, 16133, 21097, 26299, 46501, 60809, 112931, 147679, 184093, 274261, 790517, 1033753, 1919827, 13438789]

約数ペア:

[(1, 13438789), (7, 1919827), (13, 1033753), (17, 790517), (49, 274261), (73, 184093), (91, 147679), (119, 112931), (221, 60809), (289, 46501), (511, 26299), (637, 21097), (833, 16133), (949, 14161), (1241, 10829), (1547, 8687), (2023, 6643), (3577, 3757)]