672680990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{20717}}^1$

素因数の和:20932

約数の個数: 32

約数和(自身を含む): 1288825344

約数和(自身を除く): 616144354

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 382, 955, 1910, 3247, 6494, 16235, 20717, 32470, 41434, 103585, 207170, 352189, 704378, 1760945, 3521890, 3956947, 7913894, 19784735, 39569470, 67268099, 134536198, 336340495, 672680990]

約数ペア:

[(1, 672680990), (2, 336340495), (5, 134536198), (10, 67268099), (17, 39569470), (34, 19784735), (85, 7913894), (170, 3956947), (191, 3521890), (382, 1760945), (955, 704378), (1910, 352189), (3247, 207170), (6494, 103585), (16235, 41434), (20717, 32470)]