642380308

素因数分解:

$2^2\times {\mathrm{307}}^1\times {\mathrm{409}}^1\times {\mathrm{1279}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 1131468800

約数和(自身を除く): 489088492

約数列:

[1, 2, 4, 307, 409, 614, 818, 1228, 1279, 1636, 2558, 5116, 125563, 251126, 392653, 502252, 523111, 785306, 1046222, 1570612, 2092444, 160595077, 321190154, 642380308]

約数ペア:

[(1, 642380308), (2, 321190154), (4, 160595077), (307, 2092444), (409, 1570612), (614, 1046222), (818, 785306), (1228, 523111), (1279, 502252), (1636, 392653), (2558, 251126), (5116, 125563)]