31121785

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3023}}^1$

素因数の和:3128

約数の個数: 16

約数和(自身を含む): 39191040

約数和(自身を除く): 8069255

約数列:

[1, 5, 29, 71, 145, 355, 2059, 3023, 10295, 15115, 87667, 214633, 438335, 1073165, 6224357, 31121785]

約数ペア:

[(1, 31121785), (5, 6224357), (29, 1073165), (71, 438335), (145, 214633), (355, 87667), (2059, 15115), (3023, 10295)]