31071365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 42806400

約数和(自身を除く): 11735035

約数列:

[1, 5, 13, 19, 65, 95, 139, 181, 247, 695, 905, 1235, 1807, 2353, 2641, 3439, 9035, 11765, 13205, 17195, 25159, 34333, 44707, 125795, 171665, 223535, 327067, 478021, 1635335, 2390105, 6214273, 31071365]

約数ペア:

[(1, 31071365), (5, 6214273), (13, 2390105), (19, 1635335), (65, 478021), (95, 327067), (139, 223535), (181, 171665), (247, 125795), (695, 44707), (905, 34333), (1235, 25159), (1807, 17195), (2353, 13205), (2641, 11765), (3439, 9035)]