28659575

素因数分解:

$5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 40815840

約数和(自身を除く): 12156265

約数列:

[1, 5, 7, 25, 35, 175, 389, 421, 1945, 2105, 2723, 2947, 9725, 10525, 13615, 14735, 68075, 73675, 163769, 818845, 1146383, 4094225, 5731915, 28659575]

約数ペア:

[(1, 28659575), (5, 5731915), (7, 4094225), (25, 1146383), (35, 818845), (175, 163769), (389, 73675), (421, 68075), (1945, 14735), (2105, 13615), (2723, 10525), (2947, 9725)]