389670905

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1930

約数の個数: 32

約数和(自身を含む): 533500800

約数和(自身を除く): 143829895

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 1867, 2197, 3211, 9335, 10985, 16055, 24271, 35473, 41743, 121355, 177365, 208715, 315523, 461149, 1577615, 2305745, 4101799, 5994937, 20508995, 29974685, 77934181, 389670905]

約数ペア:

[(1, 389670905), (5, 77934181), (13, 29974685), (19, 20508995), (65, 5994937), (95, 4101799), (169, 2305745), (247, 1577615), (845, 461149), (1235, 315523), (1867, 208715), (2197, 177365), (3211, 121355), (9335, 41743), (10985, 35473), (16055, 24271)]