689694

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1695

約数の個数: 16

約数和(自身を含む): 1399680

約数和(自身を除く): 709986

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 1619, 3238, 4857, 9714, 114949, 229898, 344847, 689694]

約数ペア:

[(1, 689694), (2, 344847), (3, 229898), (6, 114949), (71, 9714), (142, 4857), (213, 3238), (426, 1619)]