2181386

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 16

約数和(自身を含む): 3381504

約数和(自身を除く): 1200118

約数列:

[1, 2, 67, 73, 134, 146, 223, 446, 4891, 9782, 14941, 16279, 29882, 32558, 1090693, 2181386]

約数ペア:

[(1, 2181386), (2, 1090693), (67, 32558), (73, 29882), (134, 16279), (146, 14941), (223, 9782), (446, 4891)]