128939495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{6481}}^1$

素因数の和:6682

約数の個数: 16

約数和(自身を含む): 162412992

約数和(自身を除く): 33473497

約数列:

[1, 5, 23, 115, 173, 865, 3979, 6481, 19895, 32405, 149063, 745315, 1121213, 5606065, 25787899, 128939495]

約数ペア:

[(1, 128939495), (5, 25787899), (23, 5606065), (115, 1121213), (173, 745315), (865, 149063), (3979, 32405), (6481, 19895)]