81763528

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 207360000

約数和(自身を除く): 125596472

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 29, 44, 46, 56, 58, 77, 88, 92, 116, 154, 161, 184, 199, 203, 232, 253, 308, 319, 322, 398, 406, 506, 616, 638, 644, 667, 796, 812, 1012, 1276, 1288, 1334, 1393, 1592, 1624, 1771, 2024, 2189, 2233, 2552, 2668, 2786, 3542, 4378, 4466, 4577, 4669, 5336, 5572, 5771, 7084, 7337, 8756, 8932, 9154, 9338, 11144, 11542, 14168, 14674, 15323, 17512, 17864, 18308, 18676, 23084, 29348, 30646, 32039, 36616, 37352, 40397, 46168, 50347, 51359, 58696, 61292, 63481, 64078, 80794, 100694, 102718, 122584, 126962, 128156, 132733, 161588, 201388, 205436, 253924, 256312, 265466, 323176, 352429, 402776, 410872, 444367, 507848, 530932, 704858, 888734, 929131, 1061864, 1409716, 1460063, 1777468, 1858262, 2819432, 2920126, 3554936, 3716524, 5840252, 7433048, 10220441, 11680504, 20440882, 40881764, 81763528]

約数ペア:

[(1, 81763528), (2, 40881764), (4, 20440882), (7, 11680504), (8, 10220441), (11, 7433048), (14, 5840252), (22, 3716524), (23, 3554936), (28, 2920126), (29, 2819432), (44, 1858262), (46, 1777468), (56, 1460063), (58, 1409716), (77, 1061864), (88, 929131), (92, 888734), (116, 704858), (154, 530932), (161, 507848), (184, 444367), (199, 410872), (203, 402776), (232, 352429), (253, 323176), (308, 265466), (319, 256312), (322, 253924), (398, 205436), (406, 201388), (506, 161588), (616, 132733), (638, 128156), (644, 126962), (667, 122584), (796, 102718), (812, 100694), (1012, 80794), (1276, 64078), (1288, 63481), (1334, 61292), (1393, 58696), (1592, 51359), (1624, 50347), (1771, 46168), (2024, 40397), (2189, 37352), (2233, 36616), (2552, 32039), (2668, 30646), (2786, 29348), (3542, 23084), (4378, 18676), (4466, 18308), (4577, 17864), (4669, 17512), (5336, 15323), (5572, 14674), (5771, 14168), (7084, 11542), (7337, 11144), (8756, 9338), (8932, 9154)]