63869780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245653}}^1$

素因数の和:245675

約数の個数: 24

約数和(自身を含む): 144444552

約数和(自身を除く): 80574772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 245653, 491306, 982612, 1228265, 2456530, 3193489, 4913060, 6386978, 12773956, 15967445, 31934890, 63869780]

約数ペア:

[(1, 63869780), (2, 31934890), (4, 15967445), (5, 12773956), (10, 6386978), (13, 4913060), (20, 3193489), (26, 2456530), (52, 1228265), (65, 982612), (130, 491306), (260, 245653)]