550828369

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 691819520

約数和(自身を除く): 140991151

約数列:

[1, 7, 13, 79, 91, 193, 397, 553, 1027, 1351, 2509, 2779, 5161, 7189, 15247, 17563, 31363, 36127, 76621, 106729, 198211, 219541, 407719, 536347, 996073, 1387477, 2854033, 6053059, 6972511, 42371413, 78689767, 550828369]

約数ペア:

[(1, 550828369), (7, 78689767), (13, 42371413), (79, 6972511), (91, 6053059), (193, 2854033), (397, 1387477), (553, 996073), (1027, 536347), (1351, 407719), (2509, 219541), (2779, 198211), (5161, 106729), (7189, 76621), (15247, 36127), (17563, 31363)]