9890125

素因数分解:

$5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 14376960

約数和(自身を除く): 4486835

約数列:

[1, 5, 7, 25, 35, 89, 125, 127, 175, 445, 623, 635, 875, 889, 2225, 3115, 3175, 4445, 11125, 11303, 15575, 15875, 22225, 56515, 77875, 79121, 111125, 282575, 395605, 1412875, 1978025, 9890125]

約数ペア:

[(1, 9890125), (5, 1978025), (7, 1412875), (25, 395605), (35, 282575), (89, 111125), (125, 79121), (127, 77875), (175, 56515), (445, 22225), (623, 15875), (635, 15575), (875, 11303), (889, 11125), (2225, 4445), (3115, 3175)]