1256697728

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1076

約数の個数: 128

約数和(自身を含む): 2985776640

約数和(自身を除く): 1729078912

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 71, 88, 104, 128, 142, 143, 176, 208, 284, 286, 352, 416, 568, 572, 704, 781, 832, 923, 967, 1136, 1144, 1408, 1562, 1664, 1846, 1934, 2272, 2288, 3124, 3692, 3868, 4544, 4576, 6248, 7384, 7736, 9088, 9152, 10153, 10637, 12496, 12571, 14768, 15472, 18304, 20306, 21274, 24992, 25142, 29536, 30944, 40612, 42548, 49984, 50284, 59072, 61888, 68657, 81224, 85096, 99968, 100568, 118144, 123776, 137314, 138281, 162448, 170192, 201136, 274628, 276562, 324896, 340384, 402272, 549256, 553124, 649792, 680768, 755227, 804544, 892541, 1098512, 1106248, 1299584, 1361536, 1510454, 1609088, 1785082, 2197024, 2212496, 3020908, 3570164, 4394048, 4424992, 6041816, 7140328, 8788096, 8849984, 9817951, 12083632, 14280656, 17699968, 19635902, 24167264, 28561312, 39271804, 48334528, 57122624, 78543608, 96669056, 114245248, 157087216, 314174432, 628348864, 1256697728]

約数ペア:

[(1, 1256697728), (2, 628348864), (4, 314174432), (8, 157087216), (11, 114245248), (13, 96669056), (16, 78543608), (22, 57122624), (26, 48334528), (32, 39271804), (44, 28561312), (52, 24167264), (64, 19635902), (71, 17699968), (88, 14280656), (104, 12083632), (128, 9817951), (142, 8849984), (143, 8788096), (176, 7140328), (208, 6041816), (284, 4424992), (286, 4394048), (352, 3570164), (416, 3020908), (568, 2212496), (572, 2197024), (704, 1785082), (781, 1609088), (832, 1510454), (923, 1361536), (967, 1299584), (1136, 1106248), (1144, 1098512), (1408, 892541), (1562, 804544), (1664, 755227), (1846, 680768), (1934, 649792), (2272, 553124), (2288, 549256), (3124, 402272), (3692, 340384), (3868, 324896), (4544, 276562), (4576, 274628), (6248, 201136), (7384, 170192), (7736, 162448), (9088, 138281), (9152, 137314), (10153, 123776), (10637, 118144), (12496, 100568), (12571, 99968), (14768, 85096), (15472, 81224), (18304, 68657), (20306, 61888), (21274, 59072), (24992, 50284), (25142, 49984), (29536, 42548), (30944, 40612)]