720173381

素因数分解:

${\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{661}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 749135088

約数和(自身を除く): 28961707

約数列:

[1, 53, 61, 337, 661, 3233, 17861, 20557, 35033, 40321, 222757, 1089521, 2137013, 11806121, 13588177, 720173381]

約数ペア:

[(1, 720173381), (53, 13588177), (61, 11806121), (337, 2137013), (661, 1089521), (3233, 222757), (17861, 40321), (20557, 35033)]