1261245745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{19727}}^1$

素因数の和:20424

約数の個数: 16

約数和(自身を含む): 1595600640

約数和(自身を除く): 334354895

約数列:

[1, 5, 19, 95, 673, 3365, 12787, 19727, 63935, 98635, 374813, 1874065, 13276271, 66381355, 252249149, 1261245745]

約数ペア:

[(1, 1261245745), (5, 252249149), (19, 66381355), (95, 13276271), (673, 1874065), (3365, 374813), (12787, 98635), (19727, 63935)]