1642626445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{449419}}^1$

素因数の和:449484

約数の個数: 16

約数和(自身を含む): 2135643840

約数和(自身を除く): 493017395

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 449419, 2247095, 7640123, 19325017, 38200615, 96625085, 328525289, 1642626445]

約数ペア:

[(1, 1642626445), (5, 328525289), (17, 96625085), (43, 38200615), (85, 19325017), (215, 7640123), (731, 2247095), (3655, 449419)]