320388628

素因数分解:

$2^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{20543}}^1$

素因数の和:21111

約数の個数: 24

約数和(自身を含む): 641958912

約数和(自身を除く): 321570284

約数列:

[1, 2, 4, 7, 14, 28, 557, 1114, 2228, 3899, 7798, 15596, 20543, 41086, 82172, 143801, 287602, 575204, 11442451, 22884902, 45769804, 80097157, 160194314, 320388628]

約数ペア:

[(1, 320388628), (2, 160194314), (4, 80097157), (7, 45769804), (14, 22884902), (28, 11442451), (557, 575204), (1114, 287602), (2228, 143801), (3899, 82172), (7798, 41086), (15596, 20543)]