81019876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{152293}}^1$

素因数の和:152323

約数の個数: 24

約数和(自身を含む): 170569280

約数和(自身を除く): 89549404

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 152293, 304586, 609172, 1066051, 2132102, 2893567, 4264204, 5787134, 11574268, 20254969, 40509938, 81019876]

約数ペア:

[(1, 81019876), (2, 40509938), (4, 20254969), (7, 11574268), (14, 5787134), (19, 4264204), (28, 2893567), (38, 2132102), (76, 1066051), (133, 609172), (266, 304586), (532, 152293)]