990935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 1330560

約数和(自身を除く): 339625

約数列:

[1, 5, 11, 43, 55, 215, 419, 473, 2095, 2365, 4609, 18017, 23045, 90085, 198187, 990935]

約数ペア:

[(1, 990935), (5, 198187), (11, 90085), (43, 23045), (55, 18017), (215, 4609), (419, 2365), (473, 2095)]