40309486

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 71976960

約数和(自身を除く): 31667474

約数列:

[1, 2, 7, 14, 31, 62, 131, 217, 262, 434, 709, 917, 1418, 1834, 4061, 4963, 8122, 9926, 21979, 28427, 43958, 56854, 92879, 153853, 185758, 307706, 650153, 1300306, 2879249, 5758498, 20154743, 40309486]

約数ペア:

[(1, 40309486), (2, 20154743), (7, 5758498), (14, 2879249), (31, 1300306), (62, 650153), (131, 307706), (217, 185758), (262, 153853), (434, 92879), (709, 56854), (917, 43958), (1418, 28427), (1834, 21979), (4061, 9926), (4963, 8122)]