81188172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{613}}^1$

素因数の和:919

約数の個数: 72

約数和(自身を含む): 222155024

約数和(自身を除く): 140966852

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 283, 468, 566, 613, 849, 1132, 1226, 1698, 1839, 2452, 2547, 3396, 3678, 3679, 5094, 5517, 7356, 7358, 7969, 10188, 11034, 11037, 14716, 15938, 22068, 22074, 23907, 31876, 33111, 44148, 47814, 66222, 71721, 95628, 132444, 143442, 173479, 286884, 346958, 520437, 693916, 1040874, 1561311, 2081748, 2255227, 3122622, 4510454, 6245244, 6765681, 9020908, 13531362, 20297043, 27062724, 40594086, 81188172]

約数ペア:

[(1, 81188172), (2, 40594086), (3, 27062724), (4, 20297043), (6, 13531362), (9, 9020908), (12, 6765681), (13, 6245244), (18, 4510454), (26, 3122622), (36, 2255227), (39, 2081748), (52, 1561311), (78, 1040874), (117, 693916), (156, 520437), (234, 346958), (283, 286884), (468, 173479), (566, 143442), (613, 132444), (849, 95628), (1132, 71721), (1226, 66222), (1698, 47814), (1839, 44148), (2452, 33111), (2547, 31876), (3396, 23907), (3678, 22074), (3679, 22068), (5094, 15938), (5517, 14716), (7356, 11037), (7358, 11034), (7969, 10188)]