16278605

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 7671475

約数列:

[1, 5, 7, 17, 35, 85, 109, 119, 251, 545, 595, 763, 1255, 1757, 1853, 3815, 4267, 8785, 9265, 12971, 21335, 27359, 29869, 64855, 136795, 149345, 191513, 465103, 957565, 2325515, 3255721, 16278605]

約数ペア:

[(1, 16278605), (5, 3255721), (7, 2325515), (17, 957565), (35, 465103), (85, 191513), (109, 149345), (119, 136795), (251, 64855), (545, 29869), (595, 27359), (763, 21335), (1255, 12971), (1757, 9265), (1853, 8785), (3815, 4267)]