42388775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 62995968

約数和(自身を除く): 20607193

約数列:

[1, 5, 11, 13, 25, 55, 65, 71, 143, 167, 275, 325, 355, 715, 781, 835, 923, 1775, 1837, 2171, 3575, 3905, 4175, 4615, 9185, 10153, 10855, 11857, 19525, 23075, 23881, 45925, 50765, 54275, 59285, 119405, 130427, 154141, 253825, 296425, 597025, 652135, 770705, 1695551, 3260675, 3853525, 8477755, 42388775]

約数ペア:

[(1, 42388775), (5, 8477755), (11, 3853525), (13, 3260675), (25, 1695551), (55, 770705), (65, 652135), (71, 597025), (143, 296425), (167, 253825), (275, 154141), (325, 130427), (355, 119405), (715, 59285), (781, 54275), (835, 50765), (923, 45925), (1775, 23881), (1837, 23075), (2171, 19525), (3575, 11857), (3905, 10855), (4175, 10153), (4615, 9185)]