215850978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 573640704

約数和(自身を除く): 357789726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 47, 49, 63, 82, 94, 98, 123, 126, 127, 141, 147, 246, 254, 282, 287, 294, 329, 369, 381, 423, 441, 574, 658, 738, 762, 846, 861, 882, 889, 987, 1143, 1722, 1778, 1927, 1974, 2009, 2286, 2303, 2583, 2667, 2961, 3854, 4018, 4606, 5166, 5207, 5334, 5781, 5922, 5969, 6027, 6223, 6909, 8001, 10414, 11562, 11938, 12054, 12446, 13489, 13818, 15621, 16002, 17343, 17907, 18081, 18669, 20727, 26978, 31242, 34686, 35814, 36162, 36449, 37338, 40467, 41454, 41783, 46863, 53721, 56007, 72898, 80934, 83566, 93726, 94423, 107442, 109347, 112014, 121401, 125349, 188846, 218694, 242802, 244729, 250698, 255143, 283269, 292481, 328041, 376047, 489458, 510286, 566538, 584962, 656082, 734187, 752094, 765429, 849807, 877443, 1468374, 1530858, 1699614, 1713103, 1754886, 2202561, 2296287, 2632329, 3426206, 4405122, 4592574, 5139309, 5264658, 10278618, 11991721, 15417927, 23983442, 30835854, 35975163, 71950326, 107925489, 215850978]

約数ペア:

[(1, 215850978), (2, 107925489), (3, 71950326), (6, 35975163), (7, 30835854), (9, 23983442), (14, 15417927), (18, 11991721), (21, 10278618), (41, 5264658), (42, 5139309), (47, 4592574), (49, 4405122), (63, 3426206), (82, 2632329), (94, 2296287), (98, 2202561), (123, 1754886), (126, 1713103), (127, 1699614), (141, 1530858), (147, 1468374), (246, 877443), (254, 849807), (282, 765429), (287, 752094), (294, 734187), (329, 656082), (369, 584962), (381, 566538), (423, 510286), (441, 489458), (574, 376047), (658, 328041), (738, 292481), (762, 283269), (846, 255143), (861, 250698), (882, 244729), (889, 242802), (987, 218694), (1143, 188846), (1722, 125349), (1778, 121401), (1927, 112014), (1974, 109347), (2009, 107442), (2286, 94423), (2303, 93726), (2583, 83566), (2667, 80934), (2961, 72898), (3854, 56007), (4018, 53721), (4606, 46863), (5166, 41783), (5207, 41454), (5334, 40467), (5781, 37338), (5922, 36449), (5969, 36162), (6027, 35814), (6223, 34686), (6909, 31242), (8001, 26978), (10414, 20727), (11562, 18669), (11938, 18081), (12054, 17907), (12446, 17343), (13489, 16002), (13818, 15621)]