890603990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5238847}}^1$

素因数の和:5238871

約数の個数: 16

約数和(自身を含む): 1697386752

約数和(自身を除く): 806782762

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 5238847, 10477694, 26194235, 52388470, 89060399, 178120798, 445301995, 890603990]

約数ペア:

[(1, 890603990), (2, 445301995), (5, 178120798), (10, 89060399), (17, 52388470), (34, 26194235), (85, 10477694), (170, 5238847)]