1999989922

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{4999}}^1$

素因数の和:5107

約数の個数: 48

約数和(自身を含む): 3721680000

約数和(自身を除く): 1721690078

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 1681, 3362, 4879, 4999, 9758, 9998, 11767, 23534, 28577, 34993, 57154, 69986, 84983, 169966, 200039, 204959, 400078, 409918, 594881, 1189762, 1434713, 2869426, 3484303, 6968606, 8403319, 16806638, 24390121, 48780242, 58823233, 117646466, 142856423, 285712846, 999994961, 1999989922]

約数ペア:

[(1, 1999989922), (2, 999994961), (7, 285712846), (14, 142856423), (17, 117646466), (34, 58823233), (41, 48780242), (82, 24390121), (119, 16806638), (238, 8403319), (287, 6968606), (574, 3484303), (697, 2869426), (1394, 1434713), (1681, 1189762), (3362, 594881), (4879, 409918), (4999, 400078), (9758, 204959), (9998, 200039), (11767, 169966), (23534, 84983), (28577, 69986), (34993, 57154)]