201616919

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{178897}}^1$

素因数の和:178934

約数の個数: 12

約数和(自身を含む): 244732464

約数和(自身を除く): 43115545

約数列:

[1, 7, 23, 49, 161, 1127, 178897, 1252279, 4114631, 8765953, 28802417, 201616919]

約数ペア:

[(1, 201616919), (7, 28802417), (23, 8765953), (49, 4114631), (161, 1252279), (1127, 178897)]