68907715

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 89963280

約数和(自身を除く): 21055565

約数列:

[1, 5, 17, 43, 85, 215, 289, 731, 1109, 1445, 3655, 5545, 12427, 18853, 47687, 62135, 94265, 238435, 320501, 810679, 1602505, 4053395, 13781543, 68907715]

約数ペア:

[(1, 68907715), (5, 13781543), (17, 4053395), (43, 1602505), (85, 810679), (215, 320501), (289, 238435), (731, 94265), (1109, 62135), (1445, 47687), (3655, 18853), (5545, 12427)]