2019904159

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{63601}}^1$

素因数の和:63970

約数の個数: 16

約数和(自身を含む): 2493198400

約数和(自身を除く): 473294241

約数列:

[1, 7, 13, 91, 349, 2443, 4537, 31759, 63601, 445207, 826813, 5787691, 22196749, 155377243, 288557737, 2019904159]

約数ペア:

[(1, 2019904159), (7, 288557737), (13, 155377243), (91, 22196749), (349, 5787691), (2443, 826813), (4537, 445207), (31759, 63601)]