28963396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 63608832

約数和(自身を除く): 34645436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 271, 308, 347, 542, 694, 1084, 1388, 1897, 2429, 2981, 3794, 3817, 4858, 5962, 7588, 7634, 9716, 11924, 15268, 20867, 26719, 41734, 53438, 83468, 94037, 106876, 188074, 376148, 658259, 1034407, 1316518, 2068814, 2633036, 4137628, 7240849, 14481698, 28963396]

約数ペア:

[(1, 28963396), (2, 14481698), (4, 7240849), (7, 4137628), (11, 2633036), (14, 2068814), (22, 1316518), (28, 1034407), (44, 658259), (77, 376148), (154, 188074), (271, 106876), (308, 94037), (347, 83468), (542, 53438), (694, 41734), (1084, 26719), (1388, 20867), (1897, 15268), (2429, 11924), (2981, 9716), (3794, 7634), (3817, 7588), (4858, 5962)]