40409138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1021}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 75938688

約数和(自身を除く): 35529550

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 257, 514, 1021, 1799, 2042, 2827, 3598, 5654, 7147, 11231, 14294, 19789, 22462, 39578, 78617, 157234, 262397, 524794, 1836779, 2886367, 3673558, 5772734, 20204569, 40409138]

約数ペア:

[(1, 40409138), (2, 20204569), (7, 5772734), (11, 3673558), (14, 2886367), (22, 1836779), (77, 524794), (154, 262397), (257, 157234), (514, 78617), (1021, 39578), (1799, 22462), (2042, 19789), (2827, 14294), (3598, 11231), (5654, 7147)]