81243448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1511}}^1$

素因数の和:1588

約数の個数: 64

約数和(自身を含む): 182891520

約数和(自身を除く): 101648072

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 47, 52, 88, 94, 104, 143, 188, 286, 376, 517, 572, 611, 1034, 1144, 1222, 1511, 2068, 2444, 3022, 4136, 4888, 6044, 6721, 12088, 13442, 16621, 19643, 26884, 33242, 39286, 53768, 66484, 71017, 78572, 132968, 142034, 157144, 216073, 284068, 432146, 568136, 781187, 864292, 923221, 1562374, 1728584, 1846442, 3124748, 3692884, 6249496, 7385768, 10155431, 20310862, 40621724, 81243448]

約数ペア:

[(1, 81243448), (2, 40621724), (4, 20310862), (8, 10155431), (11, 7385768), (13, 6249496), (22, 3692884), (26, 3124748), (44, 1846442), (47, 1728584), (52, 1562374), (88, 923221), (94, 864292), (104, 781187), (143, 568136), (188, 432146), (286, 284068), (376, 216073), (517, 157144), (572, 142034), (611, 132968), (1034, 78572), (1144, 71017), (1222, 66484), (1511, 53768), (2068, 39286), (2444, 33242), (3022, 26884), (4136, 19643), (4888, 16621), (6044, 13442), (6721, 12088)]