815090384

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{388879}}^1$

素因数の和:389018

約数の個数: 20

約数和(自身を含む): 1591296960

約数和(自身を除く): 776206576

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 388879, 777758, 1555516, 3111032, 6222064, 50943149, 101886298, 203772596, 407545192, 815090384]

約数ペア:

[(1, 815090384), (2, 407545192), (4, 203772596), (8, 101886298), (16, 50943149), (131, 6222064), (262, 3111032), (524, 1555516), (1048, 777758), (2096, 388879)]