27978774

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 29045226

約数列:

[1, 2, 3, 6, 109, 179, 218, 239, 327, 358, 478, 537, 654, 717, 1074, 1434, 19511, 26051, 39022, 42781, 52102, 58533, 78153, 85562, 117066, 128343, 156306, 256686, 4663129, 9326258, 13989387, 27978774]

約数ペア:

[(1, 27978774), (2, 13989387), (3, 9326258), (6, 4663129), (109, 256686), (179, 156306), (218, 128343), (239, 117066), (327, 85562), (358, 78153), (478, 58533), (537, 52102), (654, 42781), (717, 39022), (1074, 26051), (1434, 19511)]