313437020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1205527}}^1$

素因数の和:1205549

約数の個数: 24

約数和(自身を含む): 708850464

約数和(自身を除く): 395413444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1205527, 2411054, 4822108, 6027635, 12055270, 15671851, 24110540, 31343702, 62687404, 78359255, 156718510, 313437020]

約数ペア:

[(1, 313437020), (2, 156718510), (4, 78359255), (5, 62687404), (10, 31343702), (13, 24110540), (20, 15671851), (26, 12055270), (52, 6027635), (65, 4822108), (130, 2411054), (260, 1205527)]