8239990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 16311456

約数和(自身を除く): 8071466

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 433, 865, 866, 1730, 1903, 2165, 3806, 4330, 4763, 9515, 9526, 19030, 23815, 47630, 74909, 149818, 374545, 749090, 823999, 1647998, 4119995, 8239990]

約数ペア:

[(1, 8239990), (2, 4119995), (5, 1647998), (10, 823999), (11, 749090), (22, 374545), (55, 149818), (110, 74909), (173, 47630), (346, 23815), (433, 19030), (865, 9526), (866, 9515), (1730, 4763), (1903, 4330), (2165, 3806)]