155640784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{748273}}^1$

素因数の和:748294

約数の個数: 20

約数和(自身を含む): 324750916

約数和(自身を除く): 169110132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 748273, 1496546, 2993092, 5986184, 9727549, 11972368, 19455098, 38910196, 77820392, 155640784]

約数ペア:

[(1, 155640784), (2, 77820392), (4, 38910196), (8, 19455098), (13, 11972368), (16, 9727549), (26, 5986184), (52, 2993092), (104, 1496546), (208, 748273)]