65578448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{315281}}^1$

素因数の和:315302

約数の個数: 20

約数和(自身を含む): 136832388

約数和(自身を除く): 71253940

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 315281, 630562, 1261124, 2522248, 4098653, 5044496, 8197306, 16394612, 32789224, 65578448]

約数ペア:

[(1, 65578448), (2, 32789224), (4, 16394612), (8, 8197306), (13, 5044496), (16, 4098653), (26, 2522248), (52, 1261124), (104, 630562), (208, 315281)]