68864590

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{6949}}^1$

素因数の和:7947

約数の個数: 16

約数和(自身を含む): 124099200

約数和(自身を除く): 55234610

約数列:

[1, 2, 5, 10, 991, 1982, 4955, 6949, 9910, 13898, 34745, 69490, 6886459, 13772918, 34432295, 68864590]

約数ペア:

[(1, 68864590), (2, 34432295), (5, 13772918), (10, 6886459), (991, 69490), (1982, 34745), (4955, 13898), (6949, 9910)]