199104976

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 453407488

約数和(自身を除く): 254302512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 151, 193, 244, 302, 386, 427, 488, 604, 772, 854, 976, 1057, 1208, 1351, 1544, 1708, 2114, 2416, 2702, 3088, 3416, 4228, 5404, 6832, 8456, 9211, 10808, 11773, 16912, 18422, 21616, 23546, 29143, 36844, 47092, 58286, 64477, 73688, 82411, 94184, 116572, 128954, 147376, 164822, 188368, 204001, 233144, 257908, 329644, 408002, 466288, 515816, 659288, 816004, 1031632, 1318576, 1632008, 1777723, 3264016, 3555446, 7110892, 12444061, 14221784, 24888122, 28443568, 49776244, 99552488, 199104976]

約数ペア:

[(1, 199104976), (2, 99552488), (4, 49776244), (7, 28443568), (8, 24888122), (14, 14221784), (16, 12444061), (28, 7110892), (56, 3555446), (61, 3264016), (112, 1777723), (122, 1632008), (151, 1318576), (193, 1031632), (244, 816004), (302, 659288), (386, 515816), (427, 466288), (488, 408002), (604, 329644), (772, 257908), (854, 233144), (976, 204001), (1057, 188368), (1208, 164822), (1351, 147376), (1544, 128954), (1708, 116572), (2114, 94184), (2416, 82411), (2702, 73688), (3088, 64477), (3416, 58286), (4228, 47092), (5404, 36844), (6832, 29143), (8456, 23546), (9211, 21616), (10808, 18422), (11773, 16912)]