198768284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20441}}^1$

素因数の和:20486

約数の個数: 48

約数和(自身を含む): 432716256

約数和(自身を除く): 233947972

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 20441, 40882, 81764, 224851, 265733, 347497, 449702, 531466, 694994, 899404, 1062932, 1389988, 2923063, 3822467, 4517461, 5846126, 7644934, 9034922, 11692252, 15289868, 18069844, 49692071, 99384142, 198768284]

約数ペア:

[(1, 198768284), (2, 99384142), (4, 49692071), (11, 18069844), (13, 15289868), (17, 11692252), (22, 9034922), (26, 7644934), (34, 5846126), (44, 4517461), (52, 3822467), (68, 2923063), (143, 1389988), (187, 1062932), (221, 899404), (286, 694994), (374, 531466), (442, 449702), (572, 347497), (748, 265733), (884, 224851), (2431, 81764), (4862, 40882), (9724, 20441)]