1851621772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{462443}}^1$

素因数の和:462478

約数の個数: 48

約数和(自身を含む): 4350673152

約数和(自身を除く): 2499051380

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 462443, 924886, 1849772, 3237101, 5086873, 6011759, 6474202, 10173746, 12023518, 12948404, 20347492, 24047036, 35608111, 42082313, 66129349, 71216222, 84164626, 132258698, 142432444, 168329252, 264517396, 462905443, 925810886, 1851621772]

約数ペア:

[(1, 1851621772), (2, 925810886), (4, 462905443), (7, 264517396), (11, 168329252), (13, 142432444), (14, 132258698), (22, 84164626), (26, 71216222), (28, 66129349), (44, 42082313), (52, 35608111), (77, 24047036), (91, 20347492), (143, 12948404), (154, 12023518), (182, 10173746), (286, 6474202), (308, 6011759), (364, 5086873), (572, 3237101), (1001, 1849772), (2002, 924886), (4004, 462443)]