2012357781

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{11519}}^1$

素因数の和:11638

約数の個数: 48

約数和(自身を含む): 3450470400

約数和(自身を除く): 1438112619

約数列:

[1, 3, 7, 9, 21, 47, 59, 63, 141, 177, 329, 413, 423, 531, 987, 1239, 2773, 2961, 3717, 8319, 11519, 19411, 24957, 34557, 58233, 80633, 103671, 174699, 241899, 541393, 679621, 725697, 1624179, 2038863, 3789751, 4757347, 4872537, 6116589, 11369253, 14272041, 31942187, 34107759, 42816123, 95826561, 223595309, 287479683, 670785927, 2012357781]

約数ペア:

[(1, 2012357781), (3, 670785927), (7, 287479683), (9, 223595309), (21, 95826561), (47, 42816123), (59, 34107759), (63, 31942187), (141, 14272041), (177, 11369253), (329, 6116589), (413, 4872537), (423, 4757347), (531, 3789751), (987, 2038863), (1239, 1624179), (2773, 725697), (2961, 679621), (3717, 541393), (8319, 241899), (11519, 174699), (19411, 103671), (24957, 80633), (34557, 58233)]