821258328

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{15791}}^1$

素因数の和:16008

約数の個数: 64

約数和(自身を含む): 2251307520

約数和(自身を除く): 1430049192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 197, 264, 394, 591, 788, 1182, 1576, 2167, 2364, 4334, 4728, 6501, 8668, 13002, 15791, 17336, 26004, 31582, 47373, 52008, 63164, 94746, 126328, 173701, 189492, 347402, 378984, 521103, 694804, 1042206, 1389608, 2084412, 3110827, 4168824, 6221654, 9332481, 12443308, 18664962, 24886616, 34219097, 37329924, 68438194, 74659848, 102657291, 136876388, 205314582, 273752776, 410629164, 821258328]

約数ペア:

[(1, 821258328), (2, 410629164), (3, 273752776), (4, 205314582), (6, 136876388), (8, 102657291), (11, 74659848), (12, 68438194), (22, 37329924), (24, 34219097), (33, 24886616), (44, 18664962), (66, 12443308), (88, 9332481), (132, 6221654), (197, 4168824), (264, 3110827), (394, 2084412), (591, 1389608), (788, 1042206), (1182, 694804), (1576, 521103), (2167, 378984), (2364, 347402), (4334, 189492), (4728, 173701), (6501, 126328), (8668, 94746), (13002, 63164), (15791, 52008), (17336, 47373), (26004, 31582)]