221879665

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1451}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 323668224

約数和(自身を除く): 101788559

約数列:

[1, 5, 7, 17, 35, 85, 119, 257, 595, 1285, 1451, 1799, 4369, 7255, 8995, 10157, 21845, 24667, 30583, 50785, 123335, 152915, 172669, 372907, 863345, 1864535, 2610349, 6339419, 13051745, 31697095, 44375933, 221879665]

約数ペア:

[(1, 221879665), (5, 44375933), (7, 31697095), (17, 13051745), (35, 6339419), (85, 2610349), (119, 1864535), (257, 863345), (595, 372907), (1285, 172669), (1451, 152915), (1799, 123335), (4369, 50785), (7255, 30583), (8995, 24667), (10157, 21845)]