281571732

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1613}}^1$

素因数の和:2009

約数の個数: 72

約数和(自身を含む): 769032264

約数和(自身を除く): 487460532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 373, 468, 746, 1119, 1492, 1613, 2238, 3226, 3357, 4476, 4839, 4849, 6452, 6714, 9678, 9698, 13428, 14517, 14547, 19356, 19396, 20969, 29034, 29094, 41938, 43641, 58068, 58188, 62907, 83876, 87282, 125814, 174564, 188721, 251628, 377442, 601649, 754884, 1203298, 1804947, 2406596, 3609894, 5414841, 7219788, 7821437, 10829682, 15642874, 21659364, 23464311, 31285748, 46928622, 70392933, 93857244, 140785866, 281571732]

約数ペア:

[(1, 281571732), (2, 140785866), (3, 93857244), (4, 70392933), (6, 46928622), (9, 31285748), (12, 23464311), (13, 21659364), (18, 15642874), (26, 10829682), (36, 7821437), (39, 7219788), (52, 5414841), (78, 3609894), (117, 2406596), (156, 1804947), (234, 1203298), (373, 754884), (468, 601649), (746, 377442), (1119, 251628), (1492, 188721), (1613, 174564), (2238, 125814), (3226, 87282), (3357, 83876), (4476, 62907), (4839, 58188), (4849, 58068), (6452, 43641), (6714, 41938), (9678, 29094), (9698, 29034), (13428, 20969), (14517, 19396), (14547, 19356)]