128669728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{691}}^1$

素因数の和:758

約数の個数: 72

約数和(自身を含む): 289303056

約数和(自身を除く): 160633328

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 176, 184, 253, 352, 368, 506, 529, 691, 736, 1012, 1058, 1382, 2024, 2116, 2764, 4048, 4232, 5528, 5819, 7601, 8096, 8464, 11056, 11638, 15202, 15893, 16928, 22112, 23276, 30404, 31786, 46552, 60808, 63572, 93104, 121616, 127144, 174823, 186208, 243232, 254288, 349646, 365539, 508576, 699292, 731078, 1398584, 1462156, 2797168, 2924312, 4020929, 5594336, 5848624, 8041858, 11697248, 16083716, 32167432, 64334864, 128669728]

約数ペア:

[(1, 128669728), (2, 64334864), (4, 32167432), (8, 16083716), (11, 11697248), (16, 8041858), (22, 5848624), (23, 5594336), (32, 4020929), (44, 2924312), (46, 2797168), (88, 1462156), (92, 1398584), (176, 731078), (184, 699292), (253, 508576), (352, 365539), (368, 349646), (506, 254288), (529, 243232), (691, 186208), (736, 174823), (1012, 127144), (1058, 121616), (1382, 93104), (2024, 63572), (2116, 60808), (2764, 46552), (4048, 31786), (4232, 30404), (5528, 23276), (5819, 22112), (7601, 16928), (8096, 15893), (8464, 15202), (11056, 11638)]