128470274

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{5179}}^1$

素因数の和:5417

約数の個数: 16

約数和(自身を含む): 196425600

約数和(自身を除く): 67955326

約数列:

[1, 2, 79, 157, 158, 314, 5179, 10358, 12403, 24806, 409141, 813103, 818282, 1626206, 64235137, 128470274]

約数ペア:

[(1, 128470274), (2, 64235137), (79, 1626206), (157, 818282), (158, 813103), (314, 409141), (5179, 24806), (10358, 12403)]