217988848

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 564249600

約数和(自身を除く): 346260752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 49, 56, 77, 88, 92, 98, 112, 154, 157, 161, 176, 184, 196, 253, 308, 314, 322, 343, 368, 392, 506, 539, 616, 628, 644, 686, 784, 1012, 1078, 1099, 1127, 1232, 1256, 1288, 1372, 1727, 1771, 2024, 2156, 2198, 2254, 2512, 2576, 2744, 3454, 3542, 3611, 3773, 4048, 4312, 4396, 4508, 5488, 6908, 7084, 7222, 7546, 7693, 7889, 8624, 8792, 9016, 12089, 12397, 13816, 14168, 14444, 15092, 15386, 15778, 17584, 18032, 24178, 24794, 25277, 27632, 28336, 28888, 30184, 30772, 31556, 39721, 48356, 49588, 50554, 53851, 57776, 60368, 61544, 63112, 79442, 84623, 86779, 96712, 99176, 101108, 107702, 123088, 126224, 158884, 169246, 173558, 176939, 193424, 198352, 202216, 215404, 278047, 317768, 338492, 347116, 353878, 404432, 430808, 556094, 592361, 635536, 676984, 694232, 707756, 861616, 1112188, 1184722, 1238573, 1353968, 1388464, 1415512, 1946329, 2224376, 2369444, 2477146, 2831024, 3892658, 4448752, 4738888, 4954292, 7785316, 9477776, 9908584, 13624303, 15570632, 19817168, 27248606, 31141264, 54497212, 108994424, 217988848]

約数ペア:

[(1, 217988848), (2, 108994424), (4, 54497212), (7, 31141264), (8, 27248606), (11, 19817168), (14, 15570632), (16, 13624303), (22, 9908584), (23, 9477776), (28, 7785316), (44, 4954292), (46, 4738888), (49, 4448752), (56, 3892658), (77, 2831024), (88, 2477146), (92, 2369444), (98, 2224376), (112, 1946329), (154, 1415512), (157, 1388464), (161, 1353968), (176, 1238573), (184, 1184722), (196, 1112188), (253, 861616), (308, 707756), (314, 694232), (322, 676984), (343, 635536), (368, 592361), (392, 556094), (506, 430808), (539, 404432), (616, 353878), (628, 347116), (644, 338492), (686, 317768), (784, 278047), (1012, 215404), (1078, 202216), (1099, 198352), (1127, 193424), (1232, 176939), (1256, 173558), (1288, 169246), (1372, 158884), (1727, 126224), (1771, 123088), (2024, 107702), (2156, 101108), (2198, 99176), (2254, 96712), (2512, 86779), (2576, 84623), (2744, 79442), (3454, 63112), (3542, 61544), (3611, 60368), (3773, 57776), (4048, 53851), (4312, 50554), (4396, 49588), (4508, 48356), (5488, 39721), (6908, 31556), (7084, 30772), (7222, 30184), (7546, 28888), (7693, 28336), (7889, 27632), (8624, 25277), (8792, 24794), (9016, 24178), (12089, 18032), (12397, 17584), (13816, 15778), (14168, 15386), (14444, 15092)]