31391857

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1013}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 37964160

約数和(自身を除く): 6572303

約数列:

[1, 7, 19, 133, 233, 1013, 1631, 4427, 7091, 19247, 30989, 134729, 236029, 1652203, 4484551, 31391857]

約数ペア:

[(1, 31391857), (7, 4484551), (19, 1652203), (133, 236029), (233, 134729), (1013, 30989), (1631, 19247), (4427, 7091)]