381741568

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:805

約数の個数: 80

約数和(自身を含む): 832509216

約数和(自身を除く): 450767648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 128, 166, 208, 256, 332, 416, 512, 664, 691, 832, 1079, 1328, 1382, 1664, 2158, 2656, 2764, 3328, 4316, 5312, 5528, 6656, 8632, 8983, 10624, 11056, 17264, 17966, 21248, 22112, 34528, 35932, 42496, 44224, 57353, 69056, 71864, 88448, 114706, 138112, 143728, 176896, 229412, 276224, 287456, 353792, 458824, 552448, 574912, 745589, 917648, 1149824, 1491178, 1835296, 2299648, 2982356, 3670592, 4599296, 5964712, 7341184, 11929424, 14682368, 23858848, 29364736, 47717696, 95435392, 190870784, 381741568]

約数ペア:

[(1, 381741568), (2, 190870784), (4, 95435392), (8, 47717696), (13, 29364736), (16, 23858848), (26, 14682368), (32, 11929424), (52, 7341184), (64, 5964712), (83, 4599296), (104, 3670592), (128, 2982356), (166, 2299648), (208, 1835296), (256, 1491178), (332, 1149824), (416, 917648), (512, 745589), (664, 574912), (691, 552448), (832, 458824), (1079, 353792), (1328, 287456), (1382, 276224), (1664, 229412), (2158, 176896), (2656, 143728), (2764, 138112), (3328, 114706), (4316, 88448), (5312, 71864), (5528, 69056), (6656, 57353), (8632, 44224), (8983, 42496), (10624, 35932), (11056, 34528), (17264, 22112), (17966, 21248)]