198774395

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{223}}^1\times {\mathrm{337}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 251212416

約数和(自身を除く): 52438021

約数列:

[1, 5, 23, 115, 223, 337, 529, 1115, 1685, 2645, 5129, 7751, 25645, 38755, 75151, 117967, 178273, 375755, 589835, 891365, 1728473, 8642365, 39754879, 198774395]

約数ペア:

[(1, 198774395), (5, 39754879), (23, 8642365), (115, 1728473), (223, 891365), (337, 589835), (529, 375755), (1115, 178273), (1685, 117967), (2645, 75151), (5129, 38755), (7751, 25645)]