31963316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 70288512

約数和(自身を除く): 38325196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 157, 308, 314, 628, 661, 1099, 1322, 1727, 2198, 2644, 3454, 4396, 4627, 6908, 7271, 9254, 12089, 14542, 18508, 24178, 29084, 48356, 50897, 101794, 103777, 203588, 207554, 415108, 726439, 1141547, 1452878, 2283094, 2905756, 4566188, 7990829, 15981658, 31963316]

約数ペア:

[(1, 31963316), (2, 15981658), (4, 7990829), (7, 4566188), (11, 2905756), (14, 2283094), (22, 1452878), (28, 1141547), (44, 726439), (77, 415108), (154, 207554), (157, 203588), (308, 103777), (314, 101794), (628, 50897), (661, 48356), (1099, 29084), (1322, 24178), (1727, 18508), (2198, 14542), (2644, 12089), (3454, 9254), (4396, 7271), (4627, 6908)]