16907975

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 24284160

約数和(自身を除く): 7376185

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1223, 1975, 2765, 6115, 8561, 13825, 30575, 42805, 96617, 214025, 483085, 676319, 2415425, 3381595, 16907975]

約数ペア:

[(1, 16907975), (5, 3381595), (7, 2415425), (25, 676319), (35, 483085), (79, 214025), (175, 96617), (395, 42805), (553, 30575), (1223, 13825), (1975, 8561), (2765, 6115)]