12516515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2557}}^1$

素因数の和:2662

約数の個数: 16

約数和(自身を含む): 16575840

約数和(自身を除く): 4059325

約数列:

[1, 5, 11, 55, 89, 445, 979, 2557, 4895, 12785, 28127, 140635, 227573, 1137865, 2503303, 12516515]

約数ペア:

[(1, 12516515), (5, 2503303), (11, 1137865), (55, 227573), (89, 140635), (445, 28127), (979, 12785), (2557, 4895)]