1520702965705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{18898937}}^1$

素因数の和:18898990

約数の個数: 48

約数和(自身を含む): 2413016403840

約数和(自身を除く): 892313438135

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 209, 385, 605, 665, 847, 1045, 1463, 2299, 4235, 7315, 11495, 16093, 80465, 18898937, 94494685, 132292559, 207888307, 359079803, 661462795, 1039441535, 1455218149, 1795399015, 2286771377, 2513558621, 3949877833, 7276090745, 11433856885, 12567793105, 16007399639, 19749389165, 27649144831, 43448656163, 80036998195, 138245724155, 217243280815, 304140593141, 1520702965705]

約数ペア:

[(1, 1520702965705), (5, 304140593141), (7, 217243280815), (11, 138245724155), (19, 80036998195), (35, 43448656163), (55, 27649144831), (77, 19749389165), (95, 16007399639), (121, 12567793105), (133, 11433856885), (209, 7276090745), (385, 3949877833), (605, 2513558621), (665, 2286771377), (847, 1795399015), (1045, 1455218149), (1463, 1039441535), (2299, 661462795), (4235, 359079803), (7315, 207888307), (11495, 132292559), (16093, 94494685), (80465, 18898937)]