80881496

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 155105280

約数和(自身を除く): 74223784

約数列:

[1, 2, 4, 8, 71, 131, 142, 262, 284, 524, 568, 1048, 1087, 2174, 4348, 8696, 9301, 18602, 37204, 74408, 77177, 142397, 154354, 284794, 308708, 569588, 617416, 1139176, 10110187, 20220374, 40440748, 80881496]

約数ペア:

[(1, 80881496), (2, 40440748), (4, 20220374), (8, 10110187), (71, 1139176), (131, 617416), (142, 569588), (262, 308708), (284, 284794), (524, 154354), (568, 142397), (1048, 77177), (1087, 74408), (2174, 37204), (4348, 18602), (8696, 9301)]