128172602

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{5167}}^1$

素因数の和:5405

約数の個数: 16

約数和(自身を含む): 195970560

約数和(自身を除く): 67797958

約数列:

[1, 2, 79, 157, 158, 314, 5167, 10334, 12403, 24806, 408193, 811219, 816386, 1622438, 64086301, 128172602]

約数ペア:

[(1, 128172602), (2, 64086301), (79, 1622438), (157, 816386), (158, 811219), (314, 408193), (5167, 24806), (10334, 12403)]