1649440768

素因数分解:

$2^{11}\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 3669578640

約数和(自身を除く): 2020137872

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 97, 128, 152, 184, 194, 256, 304, 361, 368, 388, 437, 512, 608, 722, 736, 776, 874, 1024, 1216, 1444, 1472, 1552, 1748, 1843, 2048, 2231, 2432, 2888, 2944, 3104, 3496, 3686, 4462, 4864, 5776, 5888, 6208, 6992, 7372, 8303, 8924, 9728, 11552, 11776, 12416, 13984, 14744, 16606, 17848, 19456, 23104, 23552, 24832, 27968, 29488, 33212, 35017, 35696, 38912, 42389, 46208, 47104, 49664, 55936, 58976, 66424, 70034, 71392, 84778, 92416, 99328, 111872, 117952, 132848, 140068, 142784, 169556, 184832, 198656, 223744, 235904, 265696, 280136, 285568, 339112, 369664, 447488, 471808, 531392, 560272, 571136, 678224, 739328, 805391, 894976, 943616, 1062784, 1120544, 1142272, 1356448, 1610782, 1887232, 2125568, 2241088, 2284544, 2712896, 3221564, 3774464, 4251136, 4482176, 4569088, 5425792, 6443128, 8502272, 8964352, 10851584, 12886256, 17004544, 17928704, 21703168, 25772512, 35857408, 43406336, 51545024, 71714816, 86812672, 103090048, 206180096, 412360192, 824720384, 1649440768]

約数ペア:

[(1, 1649440768), (2, 824720384), (4, 412360192), (8, 206180096), (16, 103090048), (19, 86812672), (23, 71714816), (32, 51545024), (38, 43406336), (46, 35857408), (64, 25772512), (76, 21703168), (92, 17928704), (97, 17004544), (128, 12886256), (152, 10851584), (184, 8964352), (194, 8502272), (256, 6443128), (304, 5425792), (361, 4569088), (368, 4482176), (388, 4251136), (437, 3774464), (512, 3221564), (608, 2712896), (722, 2284544), (736, 2241088), (776, 2125568), (874, 1887232), (1024, 1610782), (1216, 1356448), (1444, 1142272), (1472, 1120544), (1552, 1062784), (1748, 943616), (1843, 894976), (2048, 805391), (2231, 739328), (2432, 678224), (2888, 571136), (2944, 560272), (3104, 531392), (3496, 471808), (3686, 447488), (4462, 369664), (4864, 339112), (5776, 285568), (5888, 280136), (6208, 265696), (6992, 235904), (7372, 223744), (8303, 198656), (8924, 184832), (9728, 169556), (11552, 142784), (11776, 140068), (12416, 132848), (13984, 117952), (14744, 111872), (16606, 99328), (17848, 92416), (19456, 84778), (23104, 71392), (23552, 70034), (24832, 66424), (27968, 58976), (29488, 55936), (33212, 49664), (35017, 47104), (35696, 46208), (38912, 42389)]