289867816

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 689230080

約数和(自身を除く): 399362264

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 56, 68, 73, 86, 97, 119, 136, 146, 172, 194, 238, 292, 301, 344, 388, 476, 511, 584, 602, 679, 731, 776, 952, 1022, 1204, 1241, 1358, 1462, 1649, 2044, 2408, 2482, 2716, 2924, 3139, 3298, 4088, 4171, 4964, 5117, 5432, 5848, 6278, 6596, 7081, 8342, 8687, 9928, 10234, 11543, 12556, 13192, 14162, 16684, 17374, 20468, 21973, 23086, 25112, 28324, 29197, 33368, 34748, 40936, 43946, 46172, 49567, 53363, 56648, 58394, 69496, 70907, 87892, 92344, 99134, 106726, 116788, 120377, 141814, 175784, 198268, 213452, 233576, 240754, 283628, 304483, 373541, 396536, 426904, 481508, 496349, 567256, 608966, 747082, 842639, 963016, 992698, 1217932, 1494164, 1685278, 1985396, 2131381, 2435864, 2988328, 3370556, 3970792, 4262762, 5176211, 6741112, 8525524, 10352422, 17051048, 20704844, 36233477, 41409688, 72466954, 144933908, 289867816]

約数ペア:

[(1, 289867816), (2, 144933908), (4, 72466954), (7, 41409688), (8, 36233477), (14, 20704844), (17, 17051048), (28, 10352422), (34, 8525524), (43, 6741112), (56, 5176211), (68, 4262762), (73, 3970792), (86, 3370556), (97, 2988328), (119, 2435864), (136, 2131381), (146, 1985396), (172, 1685278), (194, 1494164), (238, 1217932), (292, 992698), (301, 963016), (344, 842639), (388, 747082), (476, 608966), (511, 567256), (584, 496349), (602, 481508), (679, 426904), (731, 396536), (776, 373541), (952, 304483), (1022, 283628), (1204, 240754), (1241, 233576), (1358, 213452), (1462, 198268), (1649, 175784), (2044, 141814), (2408, 120377), (2482, 116788), (2716, 106726), (2924, 99134), (3139, 92344), (3298, 87892), (4088, 70907), (4171, 69496), (4964, 58394), (5117, 56648), (5432, 53363), (5848, 49567), (6278, 46172), (6596, 43946), (7081, 40936), (8342, 34748), (8687, 33368), (9928, 29197), (10234, 28324), (11543, 25112), (12556, 23086), (13192, 21973), (14162, 20468), (16684, 17374)]