1900783885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{379777}}^1$

素因数の和:379813

約数の個数: 32

約数和(自身を含む): 3062529792

約数和(自身を除く): 1161745907

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 379777, 1898885, 2658439, 4177547, 4937101, 13292195, 20887735, 24685505, 29242829, 34559707, 54308111, 146214145, 172798535, 271540555, 380156777, 1900783885]

約数ペア:

[(1, 1900783885), (5, 380156777), (7, 271540555), (11, 172798535), (13, 146214145), (35, 54308111), (55, 34559707), (65, 29242829), (77, 24685505), (91, 20887735), (143, 13292195), (385, 4937101), (455, 4177547), (715, 2658439), (1001, 1898885), (5005, 379777)]