42721536

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 133922880

約数和(自身を除く): 91201344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 104, 128, 132, 143, 156, 176, 192, 208, 256, 264, 286, 312, 352, 384, 389, 416, 429, 528, 572, 624, 704, 768, 778, 832, 858, 1056, 1144, 1167, 1248, 1408, 1556, 1664, 1716, 2112, 2288, 2334, 2496, 2816, 3112, 3328, 3432, 4224, 4279, 4576, 4668, 4992, 5057, 6224, 6864, 8448, 8558, 9152, 9336, 9984, 10114, 12448, 12837, 13728, 15171, 17116, 18304, 18672, 20228, 24896, 25674, 27456, 30342, 34232, 36608, 37344, 40456, 49792, 51348, 54912, 55627, 60684, 68464, 74688, 80912, 99584, 102696, 109824, 111254, 121368, 136928, 149376, 161824, 166881, 205392, 222508, 242736, 273856, 298752, 323648, 333762, 410784, 445016, 485472, 547712, 647296, 667524, 821568, 890032, 970944, 1095424, 1294592, 1335048, 1643136, 1780064, 1941888, 2670096, 3286272, 3560128, 3883776, 5340192, 7120256, 10680384, 14240512, 21360768, 42721536]

約数ペア:

[(1, 42721536), (2, 21360768), (3, 14240512), (4, 10680384), (6, 7120256), (8, 5340192), (11, 3883776), (12, 3560128), (13, 3286272), (16, 2670096), (22, 1941888), (24, 1780064), (26, 1643136), (32, 1335048), (33, 1294592), (39, 1095424), (44, 970944), (48, 890032), (52, 821568), (64, 667524), (66, 647296), (78, 547712), (88, 485472), (96, 445016), (104, 410784), (128, 333762), (132, 323648), (143, 298752), (156, 273856), (176, 242736), (192, 222508), (208, 205392), (256, 166881), (264, 161824), (286, 149376), (312, 136928), (352, 121368), (384, 111254), (389, 109824), (416, 102696), (429, 99584), (528, 80912), (572, 74688), (624, 68464), (704, 60684), (768, 55627), (778, 54912), (832, 51348), (858, 49792), (1056, 40456), (1144, 37344), (1167, 36608), (1248, 34232), (1408, 30342), (1556, 27456), (1664, 25674), (1716, 24896), (2112, 20228), (2288, 18672), (2334, 18304), (2496, 17116), (2816, 15171), (3112, 13728), (3328, 12837), (3432, 12448), (4224, 10114), (4279, 9984), (4576, 9336), (4668, 9152), (4992, 8558), (5057, 8448), (6224, 6864)]