388612715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 504092160

約数和(自身を除く): 115479445

約数列:

[1, 5, 23, 43, 89, 115, 215, 445, 883, 989, 2047, 3827, 4415, 4945, 10235, 19135, 20309, 37969, 78587, 88021, 101545, 189845, 392935, 440105, 873287, 1807501, 3379241, 4366435, 9037505, 16896205, 77722543, 388612715]

約数ペア:

[(1, 388612715), (5, 77722543), (23, 16896205), (43, 9037505), (89, 4366435), (115, 3379241), (215, 1807501), (445, 873287), (883, 440105), (989, 392935), (2047, 189845), (3827, 101545), (4415, 88021), (4945, 78587), (10235, 37969), (19135, 20309)]