13898885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 22401792

約数和(自身を除く): 8502907

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 2777, 5005, 13885, 19439, 30547, 36101, 97195, 152735, 180505, 213829, 252707, 397111, 1069145, 1263535, 1985555, 2779777, 13898885]

約数ペア:

[(1, 13898885), (5, 2779777), (7, 1985555), (11, 1263535), (13, 1069145), (35, 397111), (55, 252707), (65, 213829), (77, 180505), (91, 152735), (143, 97195), (385, 36101), (455, 30547), (715, 19439), (1001, 13885), (2777, 5005)]