12528215

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 5719465

約数列:

[1, 5, 7, 23, 35, 79, 115, 161, 197, 395, 553, 805, 985, 1379, 1817, 2765, 4531, 6895, 9085, 12719, 15563, 22655, 31717, 63595, 77815, 108941, 158585, 357949, 544705, 1789745, 2505643, 12528215]

約数ペア:

[(1, 12528215), (5, 2505643), (7, 1789745), (23, 544705), (35, 357949), (79, 158585), (115, 108941), (161, 77815), (197, 63595), (395, 31717), (553, 22655), (805, 15563), (985, 12719), (1379, 9085), (1817, 6895), (2765, 4531)]