81307086

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{41189}}^1$

素因数の和:41248

約数の個数: 32

約数和(自身を含む): 189803520

約数和(自身を除く): 108496434

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 41189, 82378, 123567, 247134, 288323, 576646, 864969, 1729938, 1935883, 3871766, 5807649, 11615298, 13551181, 27102362, 40653543, 81307086]

約数ペア:

[(1, 81307086), (2, 40653543), (3, 27102362), (6, 13551181), (7, 11615298), (14, 5807649), (21, 3871766), (42, 1935883), (47, 1729938), (94, 864969), (141, 576646), (282, 288323), (329, 247134), (658, 123567), (987, 82378), (1974, 41189)]