660217818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8464331}}^1$

素因数の和:8464349

約数の個数: 16

約数和(自身を含む): 1422007776

約数和(自身を除く): 761789958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8464331, 16928662, 25392993, 50785986, 110036303, 220072606, 330108909, 660217818]

約数ペア:

[(1, 660217818), (2, 330108909), (3, 220072606), (6, 110036303), (13, 50785986), (26, 25392993), (39, 16928662), (78, 8464331)]