990110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9001}}^1$

素因数の和:9019

約数の個数: 16

約数和(自身を含む): 1944432

約数和(自身を除く): 954322

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 9001, 18002, 45005, 90010, 99011, 198022, 495055, 990110]

約数ペア:

[(1, 990110), (2, 495055), (5, 198022), (10, 99011), (11, 90010), (22, 45005), (55, 18002), (110, 9001)]