217874791

素因数分解:

${\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 231081984

約数和(自身を除く): 13207193

約数列:

[1, 23, 107, 223, 397, 2461, 5129, 9131, 23861, 42479, 88531, 548803, 977017, 2036213, 9472817, 217874791]

約数ペア:

[(1, 217874791), (23, 9472817), (107, 2036213), (223, 977017), (397, 548803), (2461, 88531), (5129, 42479), (9131, 23861)]