28405207424

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1907}}^1$

素因数の和:2152

約数の個数: 128

約数和(自身を含む): 63055584000

約数和(自身を除く): 34650376576

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 149, 176, 284, 298, 352, 568, 596, 704, 781, 1136, 1192, 1408, 1562, 1639, 1907, 2272, 2384, 3124, 3278, 3814, 4544, 4768, 6248, 6556, 7628, 9088, 9536, 10579, 12496, 13112, 15256, 19072, 20977, 21158, 24992, 26224, 30512, 41954, 42316, 49984, 52448, 61024, 83908, 84632, 99968, 104896, 116369, 122048, 135397, 167816, 169264, 209792, 232738, 244096, 270794, 284143, 335632, 338528, 465476, 541588, 568286, 671264, 677056, 930952, 1083176, 1136572, 1342528, 1354112, 1489367, 1861904, 2166352, 2273144, 2685056, 2978734, 3125573, 3723808, 4332704, 4546288, 5957468, 6251146, 7447616, 8665408, 9092576, 11914936, 12502292, 14895232, 17330816, 18185152, 20174153, 23829872, 25004584, 36370304, 40348306, 47659744, 50009168, 80696612, 95319488, 100018336, 161393224, 190638976, 200036672, 221915683, 322786448, 400073344, 443831366, 645572896, 887662732, 1291145792, 1775325464, 2582291584, 3550650928, 7101301856, 14202603712, 28405207424]

約数ペア:

[(1, 28405207424), (2, 14202603712), (4, 7101301856), (8, 3550650928), (11, 2582291584), (16, 1775325464), (22, 1291145792), (32, 887662732), (44, 645572896), (64, 443831366), (71, 400073344), (88, 322786448), (128, 221915683), (142, 200036672), (149, 190638976), (176, 161393224), (284, 100018336), (298, 95319488), (352, 80696612), (568, 50009168), (596, 47659744), (704, 40348306), (781, 36370304), (1136, 25004584), (1192, 23829872), (1408, 20174153), (1562, 18185152), (1639, 17330816), (1907, 14895232), (2272, 12502292), (2384, 11914936), (3124, 9092576), (3278, 8665408), (3814, 7447616), (4544, 6251146), (4768, 5957468), (6248, 4546288), (6556, 4332704), (7628, 3723808), (9088, 3125573), (9536, 2978734), (10579, 2685056), (12496, 2273144), (13112, 2166352), (15256, 1861904), (19072, 1489367), (20977, 1354112), (21158, 1342528), (24992, 1136572), (26224, 1083176), (30512, 930952), (41954, 677056), (42316, 671264), (49984, 568286), (52448, 541588), (61024, 465476), (83908, 338528), (84632, 335632), (99968, 284143), (104896, 270794), (116369, 244096), (122048, 232738), (135397, 209792), (167816, 169264)]