427388975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1319}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 571734240

約数和(自身を除く): 144345265

約数列:

[1, 5, 13, 25, 65, 325, 997, 1319, 4985, 6595, 12961, 17147, 24925, 32975, 64805, 85735, 324025, 428675, 1315043, 6575215, 17095559, 32876075, 85477795, 427388975]

約数ペア:

[(1, 427388975), (5, 85477795), (13, 32876075), (25, 17095559), (65, 6575215), (325, 1315043), (997, 428675), (1319, 324025), (4985, 85735), (6595, 64805), (12961, 32975), (17147, 24925)]