31273255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 42223104

約数和(自身を除く): 10949849

約数列:

[1, 5, 13, 43, 65, 67, 167, 215, 335, 559, 835, 871, 2171, 2795, 2881, 4355, 7181, 10855, 11189, 14405, 35905, 37453, 55945, 93353, 145457, 187265, 466765, 481127, 727285, 2405635, 6254651, 31273255]

約数ペア:

[(1, 31273255), (5, 6254651), (13, 2405635), (43, 727285), (65, 481127), (67, 466765), (167, 187265), (215, 145457), (335, 93353), (559, 55945), (835, 37453), (871, 35905), (2171, 14405), (2795, 11189), (2881, 10855), (4355, 7181)]