256556496

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24631}}^1$

素因数の和:24680

約数の個数: 80

約数和(自身を含む): 781918208

約数和(自身を除く): 525361712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 24631, 49262, 73893, 98524, 147786, 172417, 197048, 295572, 344834, 394096, 517251, 591144, 689668, 763561, 1034502, 1182288, 1379336, 1527122, 2069004, 2290683, 2758672, 3054244, 4138008, 4581366, 5344927, 6108488, 8276016, 9162732, 10689854, 12216976, 16034781, 18325464, 21379708, 32069562, 36650928, 42759416, 64139124, 85518832, 128278248, 256556496]

約数ペア:

[(1, 256556496), (2, 128278248), (3, 85518832), (4, 64139124), (6, 42759416), (7, 36650928), (8, 32069562), (12, 21379708), (14, 18325464), (16, 16034781), (21, 12216976), (24, 10689854), (28, 9162732), (31, 8276016), (42, 6108488), (48, 5344927), (56, 4581366), (62, 4138008), (84, 3054244), (93, 2758672), (112, 2290683), (124, 2069004), (168, 1527122), (186, 1379336), (217, 1182288), (248, 1034502), (336, 763561), (372, 689668), (434, 591144), (496, 517251), (651, 394096), (744, 344834), (868, 295572), (1302, 197048), (1488, 172417), (1736, 147786), (2604, 98524), (3472, 73893), (5208, 49262), (10416, 24631)]