81384732

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15809}}^1$

素因数の和:15843

約数の個数: 72

約数和(自身を含む): 241703280

約数和(自身を除く): 160318548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 15809, 31618, 47427, 63236, 94854, 142281, 173899, 189708, 205517, 284562, 347798, 411034, 521697, 569124, 616551, 695596, 822068, 1043394, 1233102, 1565091, 1849653, 2086788, 2260687, 2466204, 3130182, 3699306, 4521374, 6260364, 6782061, 7398612, 9042748, 13564122, 20346183, 27128244, 40692366, 81384732]

約数ペア:

[(1, 81384732), (2, 40692366), (3, 27128244), (4, 20346183), (6, 13564122), (9, 9042748), (11, 7398612), (12, 6782061), (13, 6260364), (18, 4521374), (22, 3699306), (26, 3130182), (33, 2466204), (36, 2260687), (39, 2086788), (44, 1849653), (52, 1565091), (66, 1233102), (78, 1043394), (99, 822068), (117, 695596), (132, 616551), (143, 569124), (156, 521697), (198, 411034), (234, 347798), (286, 284562), (396, 205517), (429, 189708), (468, 173899), (572, 142281), (858, 94854), (1287, 63236), (1716, 47427), (2574, 31618), (5148, 15809)]