642663604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{471161}}^1$

素因数の和:471207

約数の個数: 24

約数和(自身を含む): 1266483456

約数和(自身を除く): 623819852

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 471161, 942322, 1884644, 5182771, 10365542, 14605991, 20731084, 29211982, 58423964, 160665901, 321331802, 642663604]

約数ペア:

[(1, 642663604), (2, 321331802), (4, 160665901), (11, 58423964), (22, 29211982), (31, 20731084), (44, 14605991), (62, 10365542), (124, 5182771), (341, 1884644), (682, 942322), (1364, 471161)]