81389568

素因数分解:

$2^{11}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1057

約数の個数: 96

約数和(自身を含む): 233906400

約数和(自身を除く): 152516832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 1019, 1024, 1248, 1536, 1664, 2038, 2048, 2496, 3057, 3072, 3328, 4076, 4992, 6114, 6144, 6656, 8152, 9984, 12228, 13247, 13312, 16304, 19968, 24456, 26494, 26624, 32608, 39741, 39936, 48912, 52988, 65216, 79482, 79872, 97824, 105976, 130432, 158964, 195648, 211952, 260864, 317928, 391296, 423904, 521728, 635856, 782592, 847808, 1043456, 1271712, 1565184, 1695616, 2086912, 2543424, 3130368, 3391232, 5086848, 6260736, 6782464, 10173696, 13564928, 20347392, 27129856, 40694784, 81389568]

約数ペア:

[(1, 81389568), (2, 40694784), (3, 27129856), (4, 20347392), (6, 13564928), (8, 10173696), (12, 6782464), (13, 6260736), (16, 5086848), (24, 3391232), (26, 3130368), (32, 2543424), (39, 2086912), (48, 1695616), (52, 1565184), (64, 1271712), (78, 1043456), (96, 847808), (104, 782592), (128, 635856), (156, 521728), (192, 423904), (208, 391296), (256, 317928), (312, 260864), (384, 211952), (416, 195648), (512, 158964), (624, 130432), (768, 105976), (832, 97824), (1019, 79872), (1024, 79482), (1248, 65216), (1536, 52988), (1664, 48912), (2038, 39936), (2048, 39741), (2496, 32608), (3057, 26624), (3072, 26494), (3328, 24456), (4076, 19968), (4992, 16304), (6114, 13312), (6144, 13247), (6656, 12228), (8152, 9984)]