1287308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 2603664

約数和(自身を除く): 1316356

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 1721, 3442, 6884, 18931, 29257, 37862, 58514, 75724, 117028, 321827, 643654, 1287308]

約数ペア:

[(1, 1287308), (2, 643654), (4, 321827), (11, 117028), (17, 75724), (22, 58514), (34, 37862), (44, 29257), (68, 18931), (187, 6884), (374, 3442), (748, 1721)]