81160172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20149}}^1$

素因数の和:20225

約数の個数: 24

約数和(自身を含む): 152334000

約数和(自身を除く): 71173828

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 20149, 40298, 80596, 382831, 765662, 1067897, 1531324, 2135794, 4271588, 20290043, 40580086, 81160172]

約数ペア:

[(1, 81160172), (2, 40580086), (4, 20290043), (19, 4271588), (38, 2135794), (53, 1531324), (76, 1067897), (106, 765662), (212, 382831), (1007, 80596), (2014, 40298), (4028, 20149)]