204391715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{21481}}^1$

素因数の和:21670

約数の個数: 16

約数和(自身を含む): 269126496

約数和(自身を除く): 64734781

約数列:

[1, 5, 11, 55, 173, 865, 1903, 9515, 21481, 107405, 236291, 1181455, 3716213, 18581065, 40878343, 204391715]

約数ペア:

[(1, 204391715), (5, 40878343), (11, 18581065), (55, 3716213), (173, 1181455), (865, 236291), (1903, 107405), (9515, 21481)]