53278337

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 66074400

約数和(自身を除く): 12796063

約数列:

[1, 7, 19, 49, 89, 133, 623, 643, 931, 1691, 4361, 4501, 11837, 12217, 31507, 57227, 82859, 85519, 400589, 598633, 1087313, 2804123, 7611191, 53278337]

約数ペア:

[(1, 53278337), (7, 7611191), (19, 2804123), (49, 1087313), (89, 598633), (133, 400589), (623, 85519), (643, 82859), (931, 57227), (1691, 31507), (4361, 12217), (4501, 11837)]