1886885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 3162240

約数和(自身を除く): 1275355

約数列:

[1, 5, 7, 11, 13, 29, 35, 55, 65, 77, 91, 143, 145, 169, 203, 319, 377, 385, 455, 715, 845, 1001, 1015, 1183, 1595, 1859, 1885, 2233, 2639, 4147, 4901, 5005, 5915, 9295, 11165, 13013, 13195, 20735, 24505, 29029, 34307, 53911, 65065, 145145, 171535, 269555, 377377, 1886885]

約数ペア:

[(1, 1886885), (5, 377377), (7, 269555), (11, 171535), (13, 145145), (29, 65065), (35, 53911), (55, 34307), (65, 29029), (77, 24505), (91, 20735), (143, 13195), (145, 13013), (169, 11165), (203, 9295), (319, 5915), (377, 5005), (385, 4901), (455, 4147), (715, 2639), (845, 2233), (1001, 1885), (1015, 1859), (1183, 1595)]