81335352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 248371200

約数和(自身を除く): 167035848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 83, 84, 114, 133, 152, 166, 168, 228, 249, 266, 307, 332, 399, 456, 498, 532, 581, 614, 664, 798, 921, 996, 1064, 1162, 1228, 1577, 1596, 1743, 1842, 1992, 2149, 2324, 2456, 3154, 3192, 3486, 3684, 4298, 4648, 4731, 5833, 6308, 6447, 6972, 7368, 8596, 9462, 11039, 11666, 12616, 12894, 13944, 17192, 17499, 18924, 22078, 23332, 25481, 25788, 33117, 34998, 37848, 40831, 44156, 46664, 50962, 51576, 66234, 69996, 76443, 81662, 88312, 101924, 122493, 132468, 139992, 152886, 163324, 178367, 203848, 244986, 264936, 305772, 326648, 356734, 484139, 489972, 535101, 611544, 713468, 968278, 979944, 1070202, 1426936, 1452417, 1936556, 2140404, 2904834, 3388973, 3873112, 4280808, 5809668, 6777946, 10166919, 11619336, 13555892, 20333838, 27111784, 40667676, 81335352]

約数ペア:

[(1, 81335352), (2, 40667676), (3, 27111784), (4, 20333838), (6, 13555892), (7, 11619336), (8, 10166919), (12, 6777946), (14, 5809668), (19, 4280808), (21, 3873112), (24, 3388973), (28, 2904834), (38, 2140404), (42, 1936556), (56, 1452417), (57, 1426936), (76, 1070202), (83, 979944), (84, 968278), (114, 713468), (133, 611544), (152, 535101), (166, 489972), (168, 484139), (228, 356734), (249, 326648), (266, 305772), (307, 264936), (332, 244986), (399, 203848), (456, 178367), (498, 163324), (532, 152886), (581, 139992), (614, 132468), (664, 122493), (798, 101924), (921, 88312), (996, 81662), (1064, 76443), (1162, 69996), (1228, 66234), (1577, 51576), (1596, 50962), (1743, 46664), (1842, 44156), (1992, 40831), (2149, 37848), (2324, 34998), (2456, 33117), (3154, 25788), (3192, 25481), (3486, 23332), (3684, 22078), (4298, 18924), (4648, 17499), (4731, 17192), (5833, 13944), (6308, 12894), (6447, 12616), (6972, 11666), (7368, 11039), (8596, 9462)]