201919655

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 283545600

約数和(自身を除く): 81625945

約数列:

[1, 5, 7, 35, 79, 103, 395, 515, 553, 709, 721, 2765, 3545, 3605, 4963, 8137, 24815, 40685, 56011, 56959, 73027, 280055, 284795, 365135, 392077, 511189, 1960385, 2555945, 5769133, 28845665, 40383931, 201919655]

約数ペア:

[(1, 201919655), (5, 40383931), (7, 28845665), (35, 5769133), (79, 2555945), (103, 1960385), (395, 511189), (515, 392077), (553, 365135), (709, 284795), (721, 280055), (2765, 73027), (3545, 56959), (3605, 56011), (4963, 40685), (8137, 24815)]