252558488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 635599440

約数和(自身を除く): 383040952

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 31, 38, 52, 56, 62, 76, 91, 104, 124, 133, 152, 182, 217, 247, 248, 266, 361, 364, 403, 434, 494, 532, 589, 722, 728, 806, 868, 961, 988, 1064, 1178, 1444, 1612, 1729, 1736, 1922, 1976, 2356, 2527, 2821, 2888, 3224, 3458, 3844, 4123, 4693, 4712, 5054, 5642, 6727, 6916, 7657, 7688, 8246, 9386, 10108, 11191, 11284, 12493, 13454, 13832, 15314, 16492, 18259, 18772, 20216, 22382, 22568, 24986, 26908, 30628, 32851, 32984, 36518, 37544, 44764, 49972, 53599, 53816, 61256, 65702, 73036, 78337, 87451, 89528, 99944, 107198, 127813, 131404, 145483, 146072, 156674, 174902, 214396, 237367, 255626, 262808, 290966, 313348, 346921, 349804, 428792, 474734, 511252, 581932, 626696, 693842, 699608, 949468, 1018381, 1022504, 1163864, 1387684, 1661569, 1898936, 2036762, 2428447, 2775368, 3323138, 4073524, 4509973, 4856894, 6646276, 8147048, 9019946, 9713788, 13292552, 18039892, 19427576, 31569811, 36079784, 63139622, 126279244, 252558488]

約数ペア:

[(1, 252558488), (2, 126279244), (4, 63139622), (7, 36079784), (8, 31569811), (13, 19427576), (14, 18039892), (19, 13292552), (26, 9713788), (28, 9019946), (31, 8147048), (38, 6646276), (52, 4856894), (56, 4509973), (62, 4073524), (76, 3323138), (91, 2775368), (104, 2428447), (124, 2036762), (133, 1898936), (152, 1661569), (182, 1387684), (217, 1163864), (247, 1022504), (248, 1018381), (266, 949468), (361, 699608), (364, 693842), (403, 626696), (434, 581932), (494, 511252), (532, 474734), (589, 428792), (722, 349804), (728, 346921), (806, 313348), (868, 290966), (961, 262808), (988, 255626), (1064, 237367), (1178, 214396), (1444, 174902), (1612, 156674), (1729, 146072), (1736, 145483), (1922, 131404), (1976, 127813), (2356, 107198), (2527, 99944), (2821, 89528), (2888, 87451), (3224, 78337), (3458, 73036), (3844, 65702), (4123, 61256), (4693, 53816), (4712, 53599), (5054, 49972), (5642, 44764), (6727, 37544), (6916, 36518), (7657, 32984), (7688, 32851), (8246, 30628), (9386, 26908), (10108, 24986), (11191, 22568), (11284, 22382), (12493, 20216), (13454, 18772), (13832, 18259), (15314, 16492)]