221320162048

素因数分解:

$2^8\times {\mathrm{389}}^1\times {\mathrm{821}}^1\times {\mathrm{2707}}^1$

素因数の和:3933

約数の個数: 72

約数和(自身を含む): 443614757040

約数和(自身を除く): 222294594992

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 389, 778, 821, 1556, 1642, 2707, 3112, 3284, 5414, 6224, 6568, 10828, 12448, 13136, 21656, 24896, 26272, 43312, 49792, 52544, 86624, 99584, 105088, 173248, 210176, 319369, 346496, 638738, 692992, 1053023, 1277476, 2106046, 2222447, 2554952, 4212092, 4444894, 5109904, 8424184, 8889788, 10219808, 16848368, 17779576, 20439616, 33696736, 35559152, 40879232, 67393472, 71118304, 81758464, 134786944, 142236608, 269573888, 284473216, 568946432, 864531883, 1729063766, 3458127532, 6916255064, 13832510128, 27665020256, 55330040512, 110660081024, 221320162048]

約数ペア:

[(1, 221320162048), (2, 110660081024), (4, 55330040512), (8, 27665020256), (16, 13832510128), (32, 6916255064), (64, 3458127532), (128, 1729063766), (256, 864531883), (389, 568946432), (778, 284473216), (821, 269573888), (1556, 142236608), (1642, 134786944), (2707, 81758464), (3112, 71118304), (3284, 67393472), (5414, 40879232), (6224, 35559152), (6568, 33696736), (10828, 20439616), (12448, 17779576), (13136, 16848368), (21656, 10219808), (24896, 8889788), (26272, 8424184), (43312, 5109904), (49792, 4444894), (52544, 4212092), (86624, 2554952), (99584, 2222447), (105088, 2106046), (173248, 1277476), (210176, 1053023), (319369, 692992), (346496, 638738)]