249464831

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20123}}^1$

素因数の和:20171

約数の個数: 24

約数和(自身を含む): 330355584

約数和(自身を除く): 80890753

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397, 20123, 140861, 221353, 462829, 986027, 1549471, 3239803, 5091119, 10846297, 22678621, 35637833, 249464831]

約数ペア:

[(1, 249464831), (7, 35637833), (11, 22678621), (23, 10846297), (49, 5091119), (77, 3239803), (161, 1549471), (253, 986027), (539, 462829), (1127, 221353), (1771, 140861), (12397, 20123)]