28288408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{208003}}^1$

素因数の和:208026

約数の個数: 16

約数和(自身を含む): 56161080

約数和(自身を除く): 27872672

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 208003, 416006, 832012, 1664024, 3536051, 7072102, 14144204, 28288408]

約数ペア:

[(1, 28288408), (2, 14144204), (4, 7072102), (8, 3536051), (17, 1664024), (34, 832012), (68, 416006), (136, 208003)]