128978824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1240181}}^1$

素因数の和:1240200

約数の個数: 16

約数和(自身を含む): 260438220

約数和(自身を除く): 131459396

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1240181, 2480362, 4960724, 9921448, 16122353, 32244706, 64489412, 128978824]

約数ペア:

[(1, 128978824), (2, 64489412), (4, 32244706), (8, 16122353), (13, 9921448), (26, 4960724), (52, 2480362), (104, 1240181)]