247140865

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 312157440

約数和(自身を除く): 65016575

約数列:

[1, 5, 23, 115, 223, 419, 529, 1115, 2095, 2645, 5129, 9637, 25645, 48185, 93437, 117967, 221651, 467185, 589835, 1108255, 2149051, 10745255, 49428173, 247140865]

約数ペア:

[(1, 247140865), (5, 49428173), (23, 10745255), (115, 2149051), (223, 1108255), (419, 589835), (529, 467185), (1115, 221651), (2095, 117967), (2645, 93437), (5129, 48185), (9637, 25645)]