211609216

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 128

約数和(自身を含む): 533957760

約数和(自身を除く): 322348544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 52, 56, 64, 74, 91, 104, 112, 128, 148, 182, 208, 224, 259, 296, 364, 416, 448, 481, 491, 518, 592, 728, 832, 896, 962, 982, 1036, 1184, 1456, 1664, 1924, 1964, 2072, 2368, 2912, 3367, 3437, 3848, 3928, 4144, 4736, 5824, 6383, 6734, 6874, 7696, 7856, 8288, 11648, 12766, 13468, 13748, 15392, 15712, 16576, 18167, 25532, 26936, 27496, 30784, 31424, 33152, 36334, 44681, 51064, 53872, 54992, 61568, 62848, 72668, 89362, 102128, 107744, 109984, 127169, 145336, 178724, 204256, 215488, 219968, 236171, 254338, 290672, 357448, 408512, 430976, 439936, 472342, 508676, 581344, 714896, 817024, 944684, 1017352, 1162688, 1429792, 1653197, 1889368, 2034704, 2325376, 2859584, 3306394, 3778736, 4069408, 5719168, 6612788, 7557472, 8138816, 13225576, 15114944, 16277632, 26451152, 30229888, 52902304, 105804608, 211609216]

約数ペア:

[(1, 211609216), (2, 105804608), (4, 52902304), (7, 30229888), (8, 26451152), (13, 16277632), (14, 15114944), (16, 13225576), (26, 8138816), (28, 7557472), (32, 6612788), (37, 5719168), (52, 4069408), (56, 3778736), (64, 3306394), (74, 2859584), (91, 2325376), (104, 2034704), (112, 1889368), (128, 1653197), (148, 1429792), (182, 1162688), (208, 1017352), (224, 944684), (259, 817024), (296, 714896), (364, 581344), (416, 508676), (448, 472342), (481, 439936), (491, 430976), (518, 408512), (592, 357448), (728, 290672), (832, 254338), (896, 236171), (962, 219968), (982, 215488), (1036, 204256), (1184, 178724), (1456, 145336), (1664, 127169), (1924, 109984), (1964, 107744), (2072, 102128), (2368, 89362), (2912, 72668), (3367, 62848), (3437, 61568), (3848, 54992), (3928, 53872), (4144, 51064), (4736, 44681), (5824, 36334), (6383, 33152), (6734, 31424), (6874, 30784), (7696, 27496), (7856, 26936), (8288, 25532), (11648, 18167), (12766, 16576), (13468, 15712), (13748, 15392)]