198770255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{42157}}^1$

素因数の和:42226

約数の個数: 16

約数和(自身を含む): 254971584

約数和(自身を除く): 56201329

約数列:

[1, 5, 23, 41, 115, 205, 943, 4715, 42157, 210785, 969611, 1728437, 4848055, 8642185, 39754051, 198770255]

約数ペア:

[(1, 198770255), (5, 39754051), (23, 8642185), (41, 4848055), (115, 1728437), (205, 969611), (943, 210785), (4715, 42157)]