68511590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2393}}^1$

素因数の和:2816

約数の個数: 32

約数和(自身を含む): 141341760

約数和(自身を除く): 72830170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2393, 2863, 4090, 4786, 5726, 11965, 14315, 16751, 23930, 28630, 33502, 83755, 167510, 978737, 1957474, 4893685, 6851159, 9787370, 13702318, 34255795, 68511590]

約数ペア:

[(1, 68511590), (2, 34255795), (5, 13702318), (7, 9787370), (10, 6851159), (14, 4893685), (35, 1957474), (70, 978737), (409, 167510), (818, 83755), (2045, 33502), (2393, 28630), (2863, 23930), (4090, 16751), (4786, 14315), (5726, 11965)]