209544559

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{68501}}^1$

素因数の和:68550

約数の個数: 16

約数和(自身を含む): 263047680

約数和(自身を除く): 53503121

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 68501, 479507, 1301519, 1575523, 9110633, 11028661, 29934937, 209544559]

約数ペア:

[(1, 209544559), (7, 29934937), (19, 11028661), (23, 9110633), (133, 1575523), (161, 1301519), (437, 479507), (3059, 68501)]