85021811

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{2083}}^1$

素因数の和:2128

約数の個数: 20

約数和(自身を含む): 105071112

約数和(自身を除く): 20049301

約数列:

[1, 7, 17, 49, 119, 343, 833, 2083, 2401, 5831, 14581, 35411, 40817, 102067, 247877, 714469, 1735139, 5001283, 12145973, 85021811]

約数ペア:

[(1, 85021811), (7, 12145973), (17, 5001283), (49, 1735139), (119, 714469), (343, 247877), (833, 102067), (2083, 40817), (2401, 35411), (5831, 14581)]