128390416

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 325854144

約数和(自身を除く): 197463728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 197, 253, 308, 322, 368, 394, 506, 529, 616, 644, 788, 1012, 1058, 1232, 1288, 1379, 1576, 1771, 2024, 2116, 2167, 2576, 2758, 3152, 3542, 3703, 4048, 4232, 4334, 4531, 5516, 5819, 7084, 7406, 8464, 8668, 9062, 11032, 11638, 14168, 14812, 15169, 17336, 18124, 22064, 23276, 28336, 29624, 30338, 31717, 34672, 36248, 40733, 46552, 49841, 59248, 60676, 63434, 72496, 81466, 93104, 99682, 104213, 121352, 126868, 162932, 199364, 208426, 242704, 253736, 325864, 348887, 398728, 416852, 507472, 651728, 697774, 729491, 797456, 833704, 1146343, 1395548, 1458982, 1667408, 2292686, 2791096, 2917964, 4585372, 5582192, 5835928, 8024401, 9170744, 11671856, 16048802, 18341488, 32097604, 64195208, 128390416]

約数ペア:

[(1, 128390416), (2, 64195208), (4, 32097604), (7, 18341488), (8, 16048802), (11, 11671856), (14, 9170744), (16, 8024401), (22, 5835928), (23, 5582192), (28, 4585372), (44, 2917964), (46, 2791096), (56, 2292686), (77, 1667408), (88, 1458982), (92, 1395548), (112, 1146343), (154, 833704), (161, 797456), (176, 729491), (184, 697774), (197, 651728), (253, 507472), (308, 416852), (322, 398728), (368, 348887), (394, 325864), (506, 253736), (529, 242704), (616, 208426), (644, 199364), (788, 162932), (1012, 126868), (1058, 121352), (1232, 104213), (1288, 99682), (1379, 93104), (1576, 81466), (1771, 72496), (2024, 63434), (2116, 60676), (2167, 59248), (2576, 49841), (2758, 46552), (3152, 40733), (3542, 36248), (3703, 34672), (4048, 31717), (4232, 30338), (4334, 29624), (4531, 28336), (5516, 23276), (5819, 22064), (7084, 18124), (7406, 17336), (8464, 15169), (8668, 14812), (9062, 14168), (11032, 11638)]