721481514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{9249763}}^1$

素因数の和:9249781

約数の個数: 16

約数和(自身を含む): 1553960352

約数和(自身を除く): 832478838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 9249763, 18499526, 27749289, 55498578, 120246919, 240493838, 360740757, 721481514]

約数ペア:

[(1, 721481514), (2, 360740757), (3, 240493838), (6, 120246919), (13, 55498578), (26, 27749289), (39, 18499526), (78, 9249763)]