257246808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117787}}^1$

素因数の和:117816

約数の個数: 64

約数和(自身を含む): 791535360

約数和(自身を除く): 534288552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 117787, 235574, 353361, 471148, 706722, 824509, 942296, 1413444, 1531231, 1649018, 2473527, 2826888, 3062462, 3298036, 4593693, 4947054, 6124924, 6596072, 9187386, 9894108, 10718617, 12249848, 18374772, 19788216, 21437234, 32155851, 36749544, 42874468, 64311702, 85748936, 128623404, 257246808]

約数ペア:

[(1, 257246808), (2, 128623404), (3, 85748936), (4, 64311702), (6, 42874468), (7, 36749544), (8, 32155851), (12, 21437234), (13, 19788216), (14, 18374772), (21, 12249848), (24, 10718617), (26, 9894108), (28, 9187386), (39, 6596072), (42, 6124924), (52, 4947054), (56, 4593693), (78, 3298036), (84, 3062462), (91, 2826888), (104, 2473527), (156, 1649018), (168, 1531231), (182, 1413444), (273, 942296), (312, 824509), (364, 706722), (546, 471148), (728, 353361), (1092, 235574), (2184, 117787)]