853815395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{213721}}^1$

素因数の和:213790

約数の個数: 16

約数和(自身を含む): 1107934848

約数和(自身を除く): 254119453

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 213721, 1068605, 3633257, 10044887, 18166285, 50224435, 170763079, 853815395]

約数ペア:

[(1, 853815395), (5, 170763079), (17, 50224435), (47, 18166285), (85, 10044887), (235, 3633257), (799, 1068605), (3995, 213721)]