209261585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{189377}}^1$

素因数の和:189412

約数の個数: 16

約数和(自身を含む): 286339536

約数和(自身を除く): 77077951

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 189377, 946885, 2461901, 3219409, 12309505, 16097045, 41852317, 209261585]

約数ペア:

[(1, 209261585), (5, 41852317), (13, 16097045), (17, 12309505), (65, 3219409), (85, 2461901), (221, 946885), (1105, 189377)]