179920256

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 371651280

約数和(自身を除く): 191731024

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 97, 128, 172, 194, 337, 344, 388, 674, 688, 776, 1348, 1376, 1552, 2696, 2752, 3104, 4171, 5392, 5504, 6208, 8342, 10784, 12416, 14491, 16684, 21568, 28982, 32689, 33368, 43136, 57964, 65378, 66736, 115928, 130756, 133472, 231856, 261512, 266944, 463712, 523024, 533888, 927424, 1046048, 1405627, 1854848, 2092096, 2811254, 4184192, 5622508, 11245016, 22490032, 44980064, 89960128, 179920256]

約数ペア:

[(1, 179920256), (2, 89960128), (4, 44980064), (8, 22490032), (16, 11245016), (32, 5622508), (43, 4184192), (64, 2811254), (86, 2092096), (97, 1854848), (128, 1405627), (172, 1046048), (194, 927424), (337, 533888), (344, 523024), (388, 463712), (674, 266944), (688, 261512), (776, 231856), (1348, 133472), (1376, 130756), (1552, 115928), (2696, 66736), (2752, 65378), (3104, 57964), (4171, 43136), (5392, 33368), (5504, 32689), (6208, 28982), (8342, 21568), (10784, 16684), (12416, 14491)]