289769975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{15727}}^1$

素因数の和:15815

約数の個数: 24

約数和(自身を含む): 397855488

約数和(自身を除く): 108085513

約数列:

[1, 5, 11, 25, 55, 67, 275, 335, 737, 1675, 3685, 15727, 18425, 78635, 172997, 393175, 864985, 1053709, 4324925, 5268545, 11590799, 26342725, 57953995, 289769975]

約数ペア:

[(1, 289769975), (5, 57953995), (11, 26342725), (25, 11590799), (55, 5268545), (67, 4324925), (275, 1053709), (335, 864985), (737, 393175), (1675, 172997), (3685, 78635), (15727, 18425)]