497021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 16

約数和(自身を含む): 620160

約数和(自身を除く): 123139

約数列:

[1, 7, 19, 37, 101, 133, 259, 703, 707, 1919, 3737, 4921, 13433, 26159, 71003, 497021]

約数ペア:

[(1, 497021), (7, 71003), (19, 26159), (37, 13433), (101, 4921), (133, 3737), (259, 1919), (703, 707)]