646696952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 1444608000

約数和(自身を除く): 797911048

約数列:

[1, 2, 4, 8, 11, 22, 31, 37, 43, 44, 62, 74, 86, 88, 124, 148, 149, 172, 248, 296, 298, 341, 344, 407, 473, 596, 682, 814, 946, 1147, 1192, 1333, 1364, 1591, 1628, 1639, 1892, 2294, 2666, 2728, 3182, 3256, 3278, 3784, 4588, 4619, 5332, 5513, 6364, 6407, 6556, 9176, 9238, 10664, 11026, 12617, 12728, 12814, 13112, 14663, 17501, 18476, 22052, 25234, 25628, 29326, 35002, 36952, 44104, 49321, 50468, 50809, 51256, 58652, 60643, 70004, 70477, 98642, 100936, 101618, 117304, 121286, 140008, 140954, 170903, 197284, 198617, 203236, 237059, 242572, 281908, 341806, 394568, 397234, 406472, 474118, 485144, 542531, 563816, 683612, 794468, 948236, 1085062, 1367224, 1588936, 1879933, 1896472, 2170124, 2184787, 2607649, 3759866, 4340248, 4369574, 5215298, 7348829, 7519732, 8739148, 10430596, 14697658, 15039464, 17478296, 20861192, 29395316, 58790632, 80837119, 161674238, 323348476, 646696952]

約数ペア:

[(1, 646696952), (2, 323348476), (4, 161674238), (8, 80837119), (11, 58790632), (22, 29395316), (31, 20861192), (37, 17478296), (43, 15039464), (44, 14697658), (62, 10430596), (74, 8739148), (86, 7519732), (88, 7348829), (124, 5215298), (148, 4369574), (149, 4340248), (172, 3759866), (248, 2607649), (296, 2184787), (298, 2170124), (341, 1896472), (344, 1879933), (407, 1588936), (473, 1367224), (596, 1085062), (682, 948236), (814, 794468), (946, 683612), (1147, 563816), (1192, 542531), (1333, 485144), (1364, 474118), (1591, 406472), (1628, 397234), (1639, 394568), (1892, 341806), (2294, 281908), (2666, 242572), (2728, 237059), (3182, 203236), (3256, 198617), (3278, 197284), (3784, 170903), (4588, 140954), (4619, 140008), (5332, 121286), (5513, 117304), (6364, 101618), (6407, 100936), (6556, 98642), (9176, 70477), (9238, 70004), (10664, 60643), (11026, 58652), (12617, 51256), (12728, 50809), (12814, 50468), (13112, 49321), (14663, 44104), (17501, 36952), (18476, 35002), (22052, 29326), (25234, 25628)]