212906936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 447897600

約数和(自身を除く): 234990664

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 191, 212, 239, 382, 424, 478, 583, 764, 956, 1166, 1528, 1912, 2101, 2332, 2629, 4202, 4664, 5258, 8404, 10123, 10516, 12667, 16808, 20246, 21032, 25334, 40492, 45649, 50668, 80984, 91298, 101336, 111353, 139337, 182596, 222706, 278674, 365192, 445412, 502139, 557348, 890824, 1004278, 1114696, 2008556, 2419397, 4017112, 4838794, 9677588, 19355176, 26613367, 53226734, 106453468, 212906936]

約数ペア:

[(1, 212906936), (2, 106453468), (4, 53226734), (8, 26613367), (11, 19355176), (22, 9677588), (44, 4838794), (53, 4017112), (88, 2419397), (106, 2008556), (191, 1114696), (212, 1004278), (239, 890824), (382, 557348), (424, 502139), (478, 445412), (583, 365192), (764, 278674), (956, 222706), (1166, 182596), (1528, 139337), (1912, 111353), (2101, 101336), (2332, 91298), (2629, 80984), (4202, 50668), (4664, 45649), (5258, 40492), (8404, 25334), (10123, 21032), (10516, 20246), (12667, 16808)]