621337216

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 1384197120

約数和(自身を除く): 762859904

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 61, 62, 64, 68, 122, 124, 128, 136, 151, 244, 248, 272, 302, 488, 496, 527, 544, 604, 976, 992, 1037, 1054, 1088, 1208, 1891, 1952, 1984, 2074, 2108, 2176, 2416, 2567, 3782, 3904, 3968, 4148, 4216, 4681, 4832, 5134, 7564, 7808, 8296, 8432, 9211, 9362, 9664, 10268, 15128, 16592, 16864, 18422, 18724, 19328, 20536, 30256, 32147, 33184, 33728, 36844, 37448, 41072, 60512, 64294, 66368, 67456, 73688, 74896, 79577, 82144, 121024, 128588, 132736, 147376, 149792, 156587, 159154, 164288, 242048, 257176, 285541, 294752, 299584, 313174, 318308, 328576, 514352, 571082, 589504, 599168, 626348, 636616, 1028704, 1142164, 1179008, 1252696, 1273232, 2057408, 2284328, 2505392, 2546464, 4114816, 4568656, 4854197, 5010784, 5092928, 9137312, 9708394, 10021568, 10185856, 18274624, 19416788, 20043136, 36549248, 38833576, 77667152, 155334304, 310668608, 621337216]

約数ペア:

[(1, 621337216), (2, 310668608), (4, 155334304), (8, 77667152), (16, 38833576), (17, 36549248), (31, 20043136), (32, 19416788), (34, 18274624), (61, 10185856), (62, 10021568), (64, 9708394), (68, 9137312), (122, 5092928), (124, 5010784), (128, 4854197), (136, 4568656), (151, 4114816), (244, 2546464), (248, 2505392), (272, 2284328), (302, 2057408), (488, 1273232), (496, 1252696), (527, 1179008), (544, 1142164), (604, 1028704), (976, 636616), (992, 626348), (1037, 599168), (1054, 589504), (1088, 571082), (1208, 514352), (1891, 328576), (1952, 318308), (1984, 313174), (2074, 299584), (2108, 294752), (2176, 285541), (2416, 257176), (2567, 242048), (3782, 164288), (3904, 159154), (3968, 156587), (4148, 149792), (4216, 147376), (4681, 132736), (4832, 128588), (5134, 121024), (7564, 82144), (7808, 79577), (8296, 74896), (8432, 73688), (9211, 67456), (9362, 66368), (9664, 64294), (10268, 60512), (15128, 41072), (16592, 37448), (16864, 36844), (18422, 33728), (18724, 33184), (19328, 32147), (20536, 30256)]