317367088

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{639853}}^1$

素因数の和:639892

約数の個数: 20

約数和(自身を含む): 634735168

約数和(自身を除く): 317368080

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 639853, 1279706, 2559412, 5118824, 10237648, 19835443, 39670886, 79341772, 158683544, 317367088]

約数ペア:

[(1, 317367088), (2, 158683544), (4, 79341772), (8, 39670886), (16, 19835443), (31, 10237648), (62, 5118824), (124, 2559412), (248, 1279706), (496, 639853)]