128949548

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{354257}}^1$

素因数の和:354281

約数の個数: 24

約数和(自身を含む): 277738272

約数和(自身を除く): 148788724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 354257, 708514, 1417028, 2479799, 4605341, 4959598, 9210682, 9919196, 18421364, 32237387, 64474774, 128949548]

約数ペア:

[(1, 128949548), (2, 64474774), (4, 32237387), (7, 18421364), (13, 9919196), (14, 9210682), (26, 4959598), (28, 4605341), (52, 2479799), (91, 1417028), (182, 708514), (364, 354257)]