668647679

素因数分解:

$7^2\times {\mathrm{163}}^1\times {\mathrm{83717}}^1$

素因数の和:83894

約数の個数: 12

約数和(自身を含む): 782595864

約数和(自身を除く): 113948185

約数列:

[1, 7, 49, 163, 1141, 7987, 83717, 586019, 4102133, 13645871, 95521097, 668647679]

約数ペア:

[(1, 668647679), (7, 95521097), (49, 13645871), (163, 4102133), (1141, 586019), (7987, 83717)]