19998652513

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{4019}}^1$

素因数の和:5077

約数の個数: 32

約数和(自身を含む): 24649482240

約数和(自身を除く): 4650829727

約数列:

[1, 7, 23, 31, 161, 217, 713, 997, 4019, 4991, 6979, 22931, 28133, 30907, 92437, 124589, 160517, 216349, 647059, 710861, 872123, 2865547, 4006943, 4976027, 20058829, 28048601, 92159689, 124215233, 645117823, 869506631, 2856950359, 19998652513]

約数ペア:

[(1, 19998652513), (7, 2856950359), (23, 869506631), (31, 645117823), (161, 124215233), (217, 92159689), (713, 28048601), (997, 20058829), (4019, 4976027), (4991, 4006943), (6979, 2865547), (22931, 872123), (28133, 710861), (30907, 647059), (92437, 216349), (124589, 160517)]