31681916

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 66419136

約数和(自身を除く): 34737220

約数列:

[1, 2, 4, 7, 14, 28, 37, 53, 74, 106, 148, 212, 259, 371, 518, 577, 742, 1036, 1154, 1484, 1961, 2308, 3922, 4039, 7844, 8078, 13727, 16156, 21349, 27454, 30581, 42698, 54908, 61162, 85396, 122324, 149443, 214067, 298886, 428134, 597772, 856268, 1131497, 2262994, 4525988, 7920479, 15840958, 31681916]

約数ペア:

[(1, 31681916), (2, 15840958), (4, 7920479), (7, 4525988), (14, 2262994), (28, 1131497), (37, 856268), (53, 597772), (74, 428134), (106, 298886), (148, 214067), (212, 149443), (259, 122324), (371, 85396), (518, 61162), (577, 54908), (742, 42698), (1036, 30581), (1154, 27454), (1484, 21349), (1961, 16156), (2308, 13727), (3922, 8078), (4039, 7844)]