81751712

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 193987584

約数和(自身を除く): 112235872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 61, 62, 112, 122, 124, 193, 217, 224, 244, 248, 386, 427, 434, 488, 496, 772, 854, 868, 976, 992, 1351, 1544, 1708, 1736, 1891, 1952, 2702, 3088, 3416, 3472, 3782, 5404, 5983, 6176, 6832, 6944, 7564, 10808, 11773, 11966, 13237, 13664, 15128, 21616, 23546, 23932, 26474, 30256, 41881, 43232, 47092, 47864, 52948, 60512, 82411, 83762, 94184, 95728, 105896, 164822, 167524, 188368, 191456, 211792, 329644, 335048, 364963, 376736, 423584, 659288, 670096, 729926, 1318576, 1340192, 1459852, 2554741, 2637152, 2919704, 5109482, 5839408, 10218964, 11678816, 20437928, 40875856, 81751712]

約数ペア:

[(1, 81751712), (2, 40875856), (4, 20437928), (7, 11678816), (8, 10218964), (14, 5839408), (16, 5109482), (28, 2919704), (31, 2637152), (32, 2554741), (56, 1459852), (61, 1340192), (62, 1318576), (112, 729926), (122, 670096), (124, 659288), (193, 423584), (217, 376736), (224, 364963), (244, 335048), (248, 329644), (386, 211792), (427, 191456), (434, 188368), (488, 167524), (496, 164822), (772, 105896), (854, 95728), (868, 94184), (976, 83762), (992, 82411), (1351, 60512), (1544, 52948), (1708, 47864), (1736, 47092), (1891, 43232), (1952, 41881), (2702, 30256), (3088, 26474), (3416, 23932), (3472, 23546), (3782, 21616), (5404, 15128), (5983, 13664), (6176, 13237), (6832, 11966), (6944, 11773), (7564, 10808)]