81507328

素因数分解:

$2^{10}\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 88

約数和(自身を含む): 189830592

約数和(自身を除く): 108323264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 137, 166, 224, 256, 274, 332, 448, 512, 548, 581, 664, 896, 959, 1024, 1096, 1162, 1328, 1792, 1918, 2192, 2324, 2656, 3584, 3836, 4384, 4648, 5312, 7168, 7672, 8768, 9296, 10624, 11371, 15344, 17536, 18592, 21248, 22742, 30688, 35072, 37184, 42496, 45484, 61376, 70144, 74368, 79597, 84992, 90968, 122752, 140288, 148736, 159194, 181936, 245504, 297472, 318388, 363872, 491008, 594944, 636776, 727744, 982016, 1273552, 1455488, 2547104, 2910976, 5094208, 5821952, 10188416, 11643904, 20376832, 40753664, 81507328]

約数ペア:

[(1, 81507328), (2, 40753664), (4, 20376832), (7, 11643904), (8, 10188416), (14, 5821952), (16, 5094208), (28, 2910976), (32, 2547104), (56, 1455488), (64, 1273552), (83, 982016), (112, 727744), (128, 636776), (137, 594944), (166, 491008), (224, 363872), (256, 318388), (274, 297472), (332, 245504), (448, 181936), (512, 159194), (548, 148736), (581, 140288), (664, 122752), (896, 90968), (959, 84992), (1024, 79597), (1096, 74368), (1162, 70144), (1328, 61376), (1792, 45484), (1918, 42496), (2192, 37184), (2324, 35072), (2656, 30688), (3584, 22742), (3836, 21248), (4384, 18592), (4648, 17536), (5312, 15344), (7168, 11371), (7672, 10624), (8768, 9296)]