9989455

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 14736384

約数和(自身を除く): 4746929

約数列:

[1, 5, 7, 17, 35, 85, 103, 119, 163, 515, 595, 721, 815, 1141, 1751, 2771, 3605, 5705, 8755, 12257, 13855, 16789, 19397, 61285, 83945, 96985, 117523, 285413, 587615, 1427065, 1997891, 9989455]

約数ペア:

[(1, 9989455), (5, 1997891), (7, 1427065), (17, 587615), (35, 285413), (85, 117523), (103, 96985), (119, 83945), (163, 61285), (515, 19397), (595, 16789), (721, 13855), (815, 12257), (1141, 8755), (1751, 5705), (2771, 3605)]