199215368

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{1571}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 413970480

約数和(自身を除く): 214755112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 131, 242, 262, 484, 524, 968, 1048, 1441, 1571, 2882, 3142, 5764, 6284, 11528, 12568, 15851, 17281, 31702, 34562, 63404, 69124, 126808, 138248, 190091, 205801, 380182, 411602, 760364, 823204, 1520728, 1646408, 2263811, 4527622, 9055244, 18110488, 24901921, 49803842, 99607684, 199215368]

約数ペア:

[(1, 199215368), (2, 99607684), (4, 49803842), (8, 24901921), (11, 18110488), (22, 9055244), (44, 4527622), (88, 2263811), (121, 1646408), (131, 1520728), (242, 823204), (262, 760364), (484, 411602), (524, 380182), (968, 205801), (1048, 190091), (1441, 138248), (1571, 126808), (2882, 69124), (3142, 63404), (5764, 34562), (6284, 31702), (11528, 17281), (12568, 15851)]