22147855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3889}}^1$

素因数の和:3978

約数の個数: 16

約数和(自身を含む): 28568160

約数和(自身を除く): 6420305

約数列:

[1, 5, 17, 67, 85, 335, 1139, 3889, 5695, 19445, 66113, 260563, 330565, 1302815, 4429571, 22147855]

約数ペア:

[(1, 22147855), (5, 4429571), (17, 1302815), (67, 330565), (85, 260563), (335, 66113), (1139, 19445), (3889, 5695)]