66857905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{10723}}^1$

素因数の和:10800

約数の個数: 16

約数和(自身を含む): 84934080

約数和(自身を除く): 18076175

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 10723, 53615, 310967, 461089, 1554835, 2305445, 13371581, 66857905]

約数ペア:

[(1, 66857905), (5, 13371581), (29, 2305445), (43, 1554835), (145, 461089), (215, 310967), (1247, 53615), (6235, 10723)]