17721208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{130303}}^1$

素因数の和:130326

約数の個数: 16

約数和(自身を含む): 35182080

約数和(自身を除く): 17460872

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 130303, 260606, 521212, 1042424, 2215151, 4430302, 8860604, 17721208]

約数ペア:

[(1, 17721208), (2, 8860604), (4, 4430302), (8, 2215151), (17, 1042424), (34, 521212), (68, 260606), (136, 130303)]