72278227

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2203}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 85338880

約数和(自身を除く): 13060653

約数列:

[1, 7, 43, 109, 301, 763, 2203, 4687, 15421, 32809, 94729, 240127, 663103, 1680889, 10325461, 72278227]

約数ペア:

[(1, 72278227), (7, 10325461), (43, 1680889), (109, 663103), (301, 240127), (763, 94729), (2203, 32809), (4687, 15421)]