208758095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 320967360

約数和(自身を除く): 112209265

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 169, 203, 377, 455, 845, 1015, 1183, 1217, 1885, 2639, 4901, 5915, 6085, 8519, 13195, 15821, 24505, 34307, 35293, 42595, 79105, 110747, 171535, 176465, 205673, 247051, 458809, 553735, 1028365, 1235255, 1439711, 2294045, 3211663, 5964517, 7198555, 16058315, 29822585, 41751619, 208758095]

約数ペア:

[(1, 208758095), (5, 41751619), (7, 29822585), (13, 16058315), (29, 7198555), (35, 5964517), (65, 3211663), (91, 2294045), (145, 1439711), (169, 1235255), (203, 1028365), (377, 553735), (455, 458809), (845, 247051), (1015, 205673), (1183, 176465), (1217, 171535), (1885, 110747), (2639, 79105), (4901, 42595), (5915, 35293), (6085, 34307), (8519, 24505), (13195, 15821)]