221844464

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{13907}}^1$

素因数の和:14912

約数の個数: 20

約数和(自身を含む): 430285704

約数和(自身を除く): 208441240

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 13907, 15952, 27814, 55628, 111256, 222512, 13865279, 27730558, 55461116, 110922232, 221844464]

約数ペア:

[(1, 221844464), (2, 110922232), (4, 55461116), (8, 27730558), (16, 13865279), (997, 222512), (1994, 111256), (3988, 55628), (7976, 27814), (13907, 15952)]