2881295

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 3697920

約数和(自身を除く): 816625

約数列:

[1, 5, 29, 31, 145, 155, 641, 899, 3205, 4495, 18589, 19871, 92945, 99355, 576259, 2881295]

約数ペア:

[(1, 2881295), (5, 576259), (29, 99355), (31, 92945), (145, 19871), (155, 18589), (641, 4495), (899, 3205)]