40889681

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2837}}^1$

素因数の和:2944

約数の個数: 16

約数和(自身を含む): 49040640

約数和(自身を除く): 8150959

約数列:

[1, 7, 29, 71, 203, 497, 2059, 2837, 14413, 19859, 82273, 201427, 575911, 1409989, 5841383, 40889681]

約数ペア:

[(1, 40889681), (7, 5841383), (29, 1409989), (71, 575911), (203, 201427), (497, 82273), (2059, 19859), (2837, 14413)]