26665828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{991}}^1$

素因数の和:1064

約数の個数: 36

約数和(自身を含む): 55163136

約数和(自身を除く): 28497308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 961, 991, 1922, 1982, 3844, 3964, 6727, 6937, 13454, 13874, 26908, 27748, 30721, 61442, 122884, 215047, 430094, 860188, 952351, 1904702, 3809404, 6666457, 13332914, 26665828]

約数ペア:

[(1, 26665828), (2, 13332914), (4, 6666457), (7, 3809404), (14, 1904702), (28, 952351), (31, 860188), (62, 430094), (124, 215047), (217, 122884), (434, 61442), (868, 30721), (961, 27748), (991, 26908), (1922, 13874), (1982, 13454), (3844, 6937), (3964, 6727)]