208086128

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{213203}}^1$

素因数の和:213272

約数の個数: 20

約数和(自身を含む): 409778088

約数和(自身を除く): 201691960

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 213203, 426406, 852812, 1705624, 3411248, 13005383, 26010766, 52021532, 104043064, 208086128]

約数ペア:

[(1, 208086128), (2, 104043064), (4, 52021532), (8, 26010766), (16, 13005383), (61, 3411248), (122, 1705624), (244, 852812), (488, 426406), (976, 213203)]