212381.0000000

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 14493024

約数和(自身を除く): 6956396

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1091, 1727, 2182, 3454, 4364, 6908, 12001, 24002, 48004, 171287, 342574, 685148, 1884157, 3768314, 7536628]

約数ペア:

[(1, 7536628), (2, 3768314), (4, 1884157), (11, 685148), (22, 342574), (44, 171287), (157, 48004), (314, 24002), (628, 12001), (1091, 6908), (1727, 4364), (2182, 3454)]