421070065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{19571}}^1$

素因数の和:19920

約数の個数: 16

約数和(自身を含む): 545823936

約数和(自身を除く): 124753871

約数列:

[1, 5, 13, 65, 331, 1655, 4303, 19571, 21515, 97855, 254423, 1272115, 6478001, 32390005, 84214013, 421070065]

約数ペア:

[(1, 421070065), (5, 84214013), (13, 32390005), (65, 6478001), (331, 1272115), (1655, 254423), (4303, 97855), (19571, 21515)]