81607990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{480047}}^1$

素因数の和:480071

約数の個数: 16

約数和(自身を含む): 155535552

約数和(自身を除く): 73927562

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 480047, 960094, 2400235, 4800470, 8160799, 16321598, 40803995, 81607990]

約数ペア:

[(1, 81607990), (2, 40803995), (5, 16321598), (10, 8160799), (17, 4800470), (34, 2400235), (85, 960094), (170, 480047)]