385220353

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 480706560

約数和(自身を除く): 95486207

約数列:

[1, 7, 23, 31, 79, 161, 217, 553, 713, 977, 1817, 2449, 4991, 6839, 12719, 17143, 22471, 30287, 56327, 77183, 157297, 212009, 394289, 540281, 696601, 1775209, 2392673, 4876207, 12426463, 16748711, 55031479, 385220353]

約数ペア:

[(1, 385220353), (7, 55031479), (23, 16748711), (31, 12426463), (79, 4876207), (161, 2392673), (217, 1775209), (553, 696601), (713, 540281), (977, 394289), (1817, 212009), (2449, 157297), (4991, 77183), (6839, 56327), (12719, 30287), (17143, 22471)]