8467990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 15966720

約数和(自身を除く): 7498730

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 419, 430, 470, 838, 2021, 2095, 4042, 4190, 10105, 18017, 19693, 20210, 36034, 39386, 90085, 98465, 180170, 196930, 846799, 1693598, 4233995, 8467990]

約数ペア:

[(1, 8467990), (2, 4233995), (5, 1693598), (10, 846799), (43, 196930), (47, 180170), (86, 98465), (94, 90085), (215, 39386), (235, 36034), (419, 20210), (430, 19693), (470, 18017), (838, 10105), (2021, 4190), (2095, 4042)]