247371488

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 192

約数和(自身を含む): 670602240

約数和(自身を除く): 423230752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 19, 26, 28, 32, 34, 38, 52, 56, 68, 76, 91, 104, 112, 119, 133, 136, 152, 182, 208, 221, 224, 238, 247, 263, 266, 272, 304, 323, 364, 416, 442, 476, 494, 526, 532, 544, 608, 646, 728, 884, 952, 988, 1052, 1064, 1292, 1456, 1547, 1729, 1768, 1841, 1904, 1976, 2104, 2128, 2261, 2584, 2912, 3094, 3419, 3458, 3536, 3682, 3808, 3952, 4199, 4208, 4256, 4471, 4522, 4997, 5168, 6188, 6838, 6916, 7072, 7364, 7904, 8398, 8416, 8942, 9044, 9994, 10336, 12376, 13676, 13832, 14728, 16796, 17884, 18088, 19988, 23933, 24752, 27352, 27664, 29393, 29456, 31297, 33592, 34979, 35768, 36176, 39976, 47866, 49504, 54704, 55328, 58123, 58786, 58912, 62594, 64961, 67184, 69958, 71536, 72352, 79952, 84949, 95732, 109408, 116246, 117572, 125188, 129922, 134368, 139916, 143072, 159904, 169898, 191464, 232492, 235144, 250376, 259844, 279832, 339796, 382928, 406861, 454727, 464984, 470288, 500752, 519688, 559664, 594643, 679592, 765856, 813722, 909454, 929968, 940576, 1001504, 1039376, 1104337, 1119328, 1189286, 1359184, 1627444, 1818908, 1859936, 2078752, 2208674, 2378572, 2718368, 3254888, 3637816, 4417348, 4757144, 6509776, 7275632, 7730359, 8834696, 9514288, 13019552, 14551264, 15460718, 17669392, 19028576, 30921436, 35338784, 61842872, 123685744, 247371488]

約数ペア:

[(1, 247371488), (2, 123685744), (4, 61842872), (7, 35338784), (8, 30921436), (13, 19028576), (14, 17669392), (16, 15460718), (17, 14551264), (19, 13019552), (26, 9514288), (28, 8834696), (32, 7730359), (34, 7275632), (38, 6509776), (52, 4757144), (56, 4417348), (68, 3637816), (76, 3254888), (91, 2718368), (104, 2378572), (112, 2208674), (119, 2078752), (133, 1859936), (136, 1818908), (152, 1627444), (182, 1359184), (208, 1189286), (221, 1119328), (224, 1104337), (238, 1039376), (247, 1001504), (263, 940576), (266, 929968), (272, 909454), (304, 813722), (323, 765856), (364, 679592), (416, 594643), (442, 559664), (476, 519688), (494, 500752), (526, 470288), (532, 464984), (544, 454727), (608, 406861), (646, 382928), (728, 339796), (884, 279832), (952, 259844), (988, 250376), (1052, 235144), (1064, 232492), (1292, 191464), (1456, 169898), (1547, 159904), (1729, 143072), (1768, 139916), (1841, 134368), (1904, 129922), (1976, 125188), (2104, 117572), (2128, 116246), (2261, 109408), (2584, 95732), (2912, 84949), (3094, 79952), (3419, 72352), (3458, 71536), (3536, 69958), (3682, 67184), (3808, 64961), (3952, 62594), (4199, 58912), (4208, 58786), (4256, 58123), (4471, 55328), (4522, 54704), (4997, 49504), (5168, 47866), (6188, 39976), (6838, 36176), (6916, 35768), (7072, 34979), (7364, 33592), (7904, 31297), (8398, 29456), (8416, 29393), (8942, 27664), (9044, 27352), (9994, 24752), (10336, 23933), (12376, 19988), (13676, 18088), (13832, 17884), (14728, 16796)]