1680008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 3641760

約数和(自身を除く): 1961752

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1123, 1496, 2246, 4492, 8984, 12353, 19091, 24706, 38182, 49412, 76364, 98824, 152728, 210001, 420002, 840004, 1680008]

約数ペア:

[(1, 1680008), (2, 840004), (4, 420002), (8, 210001), (11, 152728), (17, 98824), (22, 76364), (34, 49412), (44, 38182), (68, 24706), (88, 19091), (136, 12353), (187, 8984), (374, 4492), (748, 2246), (1123, 1496)]