131883376

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{81611}}^1$

素因数の和:81720

約数の個数: 20

約数和(自身を含む): 258057144

約数和(自身を除く): 126173768

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 81611, 163222, 326444, 652888, 1305776, 8242711, 16485422, 32970844, 65941688, 131883376]

約数ペア:

[(1, 131883376), (2, 65941688), (4, 32970844), (8, 16485422), (16, 8242711), (101, 1305776), (202, 652888), (404, 326444), (808, 163222), (1616, 81611)]