81628558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{52259}}^1$

素因数の和:52343

約数の個数: 16

約数和(自身を含む): 135457920

約数和(自身を除く): 53829362

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 52259, 104518, 574849, 1149698, 3710389, 7420778, 40814279, 81628558]

約数ペア:

[(1, 81628558), (2, 40814279), (11, 7420778), (22, 3710389), (71, 1149698), (142, 574849), (781, 104518), (1562, 52259)]