256053616

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 160

約数和(自身を含む): 646486400

約数和(自身を除く): 390432784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 49, 52, 56, 74, 91, 97, 98, 104, 112, 148, 182, 194, 196, 208, 259, 296, 343, 364, 388, 392, 481, 518, 592, 637, 679, 686, 728, 776, 784, 962, 1036, 1261, 1274, 1358, 1372, 1456, 1552, 1813, 1924, 2072, 2522, 2548, 2716, 2744, 3367, 3589, 3626, 3848, 4144, 4459, 4753, 5044, 5096, 5432, 5488, 6734, 7178, 7252, 7696, 8827, 8918, 9506, 10088, 10192, 10864, 12691, 13468, 14356, 14504, 17654, 17836, 19012, 20176, 23569, 25123, 25382, 26936, 28712, 29008, 33271, 35308, 35672, 38024, 46657, 47138, 50246, 50764, 53872, 57424, 61789, 66542, 70616, 71344, 76048, 93314, 94276, 100492, 101528, 123578, 133084, 141232, 164983, 175861, 186628, 188552, 200984, 203056, 247156, 266168, 326599, 329966, 351722, 373256, 377104, 401968, 432523, 494312, 532336, 653198, 659932, 703444, 746512, 865046, 988624, 1231027, 1306396, 1319864, 1406888, 1730092, 2286193, 2462054, 2612792, 2639728, 2813776, 3460184, 4572386, 4924108, 5225584, 6920368, 9144772, 9848216, 16003351, 18289544, 19696432, 32006702, 36579088, 64013404, 128026808, 256053616]

約数ペア:

[(1, 256053616), (2, 128026808), (4, 64013404), (7, 36579088), (8, 32006702), (13, 19696432), (14, 18289544), (16, 16003351), (26, 9848216), (28, 9144772), (37, 6920368), (49, 5225584), (52, 4924108), (56, 4572386), (74, 3460184), (91, 2813776), (97, 2639728), (98, 2612792), (104, 2462054), (112, 2286193), (148, 1730092), (182, 1406888), (194, 1319864), (196, 1306396), (208, 1231027), (259, 988624), (296, 865046), (343, 746512), (364, 703444), (388, 659932), (392, 653198), (481, 532336), (518, 494312), (592, 432523), (637, 401968), (679, 377104), (686, 373256), (728, 351722), (776, 329966), (784, 326599), (962, 266168), (1036, 247156), (1261, 203056), (1274, 200984), (1358, 188552), (1372, 186628), (1456, 175861), (1552, 164983), (1813, 141232), (1924, 133084), (2072, 123578), (2522, 101528), (2548, 100492), (2716, 94276), (2744, 93314), (3367, 76048), (3589, 71344), (3626, 70616), (3848, 66542), (4144, 61789), (4459, 57424), (4753, 53872), (5044, 50764), (5096, 50246), (5432, 47138), (5488, 46657), (6734, 38024), (7178, 35672), (7252, 35308), (7696, 33271), (8827, 29008), (8918, 28712), (9506, 26936), (10088, 25382), (10192, 25123), (10864, 23569), (12691, 20176), (13468, 19012), (14356, 17836), (14504, 17654)]