420216422015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{174726163}}^1$

素因数の和:174726218

約数の個数: 16

約数和(自身を含む): 557725915488

約数和(自身を除く): 137509493473

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 174726163, 873630815, 2271440119, 6464868031, 11357200595, 32324340155, 84043284403, 420216422015]

約数ペア:

[(1, 420216422015), (5, 84043284403), (13, 32324340155), (37, 11357200595), (65, 6464868031), (185, 2271440119), (481, 873630815), (2405, 174726163)]