388431148

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{41911}}^1$

素因数の和:42253

約数の個数: 24

約数和(自身を含む): 779227904

約数和(自身を除く): 390796756

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2317, 4634, 9268, 41911, 83822, 167644, 293377, 586754, 1173508, 13872541, 27745082, 55490164, 97107787, 194215574, 388431148]

約数ペア:

[(1, 388431148), (2, 194215574), (4, 97107787), (7, 55490164), (14, 27745082), (28, 13872541), (331, 1173508), (662, 586754), (1324, 293377), (2317, 167644), (4634, 83822), (9268, 41911)]