81657272

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{351971}}^1$

素因数の和:352006

約数の個数: 16

約数和(自身を含む): 158387400

約数和(自身を除く): 76730128

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 351971, 703942, 1407884, 2815768, 10207159, 20414318, 40828636, 81657272]

約数ペア:

[(1, 81657272), (2, 40828636), (4, 20414318), (8, 10207159), (29, 2815768), (58, 1407884), (116, 703942), (232, 351971)]