1999996838399

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{19853}}^1\times {\mathrm{8219}}^1$

素因数の和:28199

約数の個数: 32

約数和(自身を含む): 2444081402880

約数和(自身を除く): 444084564481

約数列:

[1, 7, 17, 103, 119, 721, 1751, 8219, 12257, 19853, 57533, 138971, 139723, 337501, 846557, 978061, 2044859, 2362507, 5925899, 14314013, 14391469, 34762603, 100740283, 163171807, 243338221, 1142202649, 2773920719, 16806696121, 19417445033, 117646872847, 285713834057, 1999996838399]

約数ペア:

[(1, 1999996838399), (7, 285713834057), (17, 117646872847), (103, 19417445033), (119, 16806696121), (721, 2773920719), (1751, 1142202649), (8219, 243338221), (12257, 163171807), (19853, 100740283), (57533, 34762603), (138971, 14391469), (139723, 14314013), (337501, 5925899), (846557, 2362507), (978061, 2044859)]