16888465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 23354496

約数和(自身を除く): 6466031

約数列:

[1, 5, 11, 37, 43, 55, 185, 193, 215, 407, 473, 965, 1591, 2035, 2123, 2365, 7141, 7955, 8299, 10615, 17501, 35705, 41495, 78551, 87505, 91289, 307063, 392755, 456445, 1535315, 3377693, 16888465]

約数ペア:

[(1, 16888465), (5, 3377693), (11, 1535315), (37, 456445), (43, 392755), (55, 307063), (185, 91289), (193, 87505), (215, 78551), (407, 41495), (473, 35705), (965, 17501), (1591, 10615), (2035, 8299), (2123, 7955), (2365, 7141)]