55385057

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 72683520

約数和(自身を除く): 17298463

約数列:

[1, 7, 13, 19, 91, 103, 133, 247, 311, 721, 1339, 1729, 1957, 2177, 4043, 5909, 9373, 13699, 25441, 28301, 32033, 41363, 76817, 178087, 224231, 416429, 537719, 608627, 2915003, 4260389, 7912151, 55385057]

約数ペア:

[(1, 55385057), (7, 7912151), (13, 4260389), (19, 2915003), (91, 608627), (103, 537719), (133, 416429), (247, 224231), (311, 178087), (721, 76817), (1339, 41363), (1729, 32033), (1957, 28301), (2177, 25441), (4043, 13699), (5909, 9373)]