1291245392

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{32191}}^1$

素因数の和:32331

約数の個数: 40

約数和(自身を含む): 2634593280

約数和(自身を除く): 1343347888

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 109, 184, 218, 368, 436, 872, 1744, 2507, 5014, 10028, 20056, 32191, 40112, 64382, 128764, 257528, 515056, 740393, 1480786, 2961572, 3508819, 5923144, 7017638, 11846288, 14035276, 28070552, 56141104, 80702837, 161405674, 322811348, 645622696, 1291245392]

約数ペア:

[(1, 1291245392), (2, 645622696), (4, 322811348), (8, 161405674), (16, 80702837), (23, 56141104), (46, 28070552), (92, 14035276), (109, 11846288), (184, 7017638), (218, 5923144), (368, 3508819), (436, 2961572), (872, 1480786), (1744, 740393), (2507, 515056), (5014, 257528), (10028, 128764), (20056, 64382), (32191, 40112)]