278964992

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 594068160

約数和(自身を除く): 315103168

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 83, 128, 152, 166, 256, 304, 332, 608, 664, 691, 1216, 1328, 1382, 1577, 2432, 2656, 2764, 3154, 4864, 5312, 5528, 6308, 10624, 11056, 12616, 13129, 21248, 22112, 25232, 26258, 44224, 50464, 52516, 57353, 88448, 100928, 105032, 114706, 176896, 201856, 210064, 229412, 403712, 420128, 458824, 840256, 917648, 1089707, 1680512, 1835296, 2179414, 3361024, 3670592, 4358828, 7341184, 8717656, 14682368, 17435312, 34870624, 69741248, 139482496, 278964992]

約数ペア:

[(1, 278964992), (2, 139482496), (4, 69741248), (8, 34870624), (16, 17435312), (19, 14682368), (32, 8717656), (38, 7341184), (64, 4358828), (76, 3670592), (83, 3361024), (128, 2179414), (152, 1835296), (166, 1680512), (256, 1089707), (304, 917648), (332, 840256), (608, 458824), (664, 420128), (691, 403712), (1216, 229412), (1328, 210064), (1382, 201856), (1577, 176896), (2432, 114706), (2656, 105032), (2764, 100928), (3154, 88448), (4864, 57353), (5312, 52516), (5528, 50464), (6308, 44224), (10624, 26258), (11056, 25232), (12616, 22112), (13129, 21248)]