399052288

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 120

約数和(自身を含む): 898013952

約数和(自身を除く): 498961664

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 127, 128, 136, 152, 254, 256, 272, 304, 323, 361, 508, 512, 544, 608, 646, 722, 1016, 1088, 1216, 1292, 1444, 2032, 2159, 2176, 2413, 2432, 2584, 2888, 4064, 4318, 4352, 4826, 4864, 5168, 5776, 6137, 8128, 8636, 8704, 9652, 9728, 10336, 11552, 12274, 16256, 17272, 19304, 20672, 23104, 24548, 32512, 34544, 38608, 41021, 41344, 45847, 46208, 49096, 65024, 69088, 77216, 82042, 82688, 91694, 92416, 98192, 138176, 154432, 164084, 165376, 183388, 184832, 196384, 276352, 308864, 328168, 366776, 392768, 552704, 617728, 656336, 733552, 779399, 785536, 1105408, 1235456, 1312672, 1467104, 1558798, 1571072, 2625344, 2934208, 3117596, 3142144, 5250688, 5868416, 6235192, 10501376, 11736832, 12470384, 21002752, 23473664, 24940768, 49881536, 99763072, 199526144, 399052288]

約数ペア:

[(1, 399052288), (2, 199526144), (4, 99763072), (8, 49881536), (16, 24940768), (17, 23473664), (19, 21002752), (32, 12470384), (34, 11736832), (38, 10501376), (64, 6235192), (68, 5868416), (76, 5250688), (127, 3142144), (128, 3117596), (136, 2934208), (152, 2625344), (254, 1571072), (256, 1558798), (272, 1467104), (304, 1312672), (323, 1235456), (361, 1105408), (508, 785536), (512, 779399), (544, 733552), (608, 656336), (646, 617728), (722, 552704), (1016, 392768), (1088, 366776), (1216, 328168), (1292, 308864), (1444, 276352), (2032, 196384), (2159, 184832), (2176, 183388), (2413, 165376), (2432, 164084), (2584, 154432), (2888, 138176), (4064, 98192), (4318, 92416), (4352, 91694), (4826, 82688), (4864, 82042), (5168, 77216), (5776, 69088), (6137, 65024), (8128, 49096), (8636, 46208), (8704, 45847), (9652, 41344), (9728, 41021), (10336, 38608), (11552, 34544), (12274, 32512), (16256, 24548), (17272, 23104), (19304, 20672)]