256437972

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3929}}^1$

素因数の和:3990

約数の個数: 108

約数和(自身を含む): 774626580

約数和(自身を除く): 518188608

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 49, 63, 74, 84, 98, 111, 126, 147, 148, 196, 222, 252, 259, 294, 333, 441, 444, 518, 588, 666, 777, 882, 1036, 1332, 1554, 1764, 1813, 2331, 3108, 3626, 3929, 4662, 5439, 7252, 7858, 9324, 10878, 11787, 15716, 16317, 21756, 23574, 27503, 32634, 35361, 47148, 55006, 65268, 70722, 82509, 110012, 141444, 145373, 165018, 192521, 247527, 290746, 330036, 385042, 436119, 495054, 577563, 581492, 770084, 872238, 990108, 1017611, 1155126, 1308357, 1732689, 1744476, 2035222, 2310252, 2616714, 3052833, 3465378, 4070444, 5233428, 6105666, 6930756, 7123277, 9158499, 12211332, 14246554, 18316998, 21369831, 28493108, 36633996, 42739662, 64109493, 85479324, 128218986, 256437972]

約数ペア:

[(1, 256437972), (2, 128218986), (3, 85479324), (4, 64109493), (6, 42739662), (7, 36633996), (9, 28493108), (12, 21369831), (14, 18316998), (18, 14246554), (21, 12211332), (28, 9158499), (36, 7123277), (37, 6930756), (42, 6105666), (49, 5233428), (63, 4070444), (74, 3465378), (84, 3052833), (98, 2616714), (111, 2310252), (126, 2035222), (147, 1744476), (148, 1732689), (196, 1308357), (222, 1155126), (252, 1017611), (259, 990108), (294, 872238), (333, 770084), (441, 581492), (444, 577563), (518, 495054), (588, 436119), (666, 385042), (777, 330036), (882, 290746), (1036, 247527), (1332, 192521), (1554, 165018), (1764, 145373), (1813, 141444), (2331, 110012), (3108, 82509), (3626, 70722), (3929, 65268), (4662, 55006), (5439, 47148), (7252, 35361), (7858, 32634), (9324, 27503), (10878, 23574), (11787, 21756), (15716, 16317)]