129767248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{623881}}^1$

素因数の和:623902

約数の個数: 20

約数和(自身を含む): 270764788

約数和(自身を除く): 140997540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 623881, 1247762, 2495524, 4991048, 8110453, 9982096, 16220906, 32441812, 64883624, 129767248]

約数ペア:

[(1, 129767248), (2, 64883624), (4, 32441812), (8, 16220906), (13, 9982096), (16, 8110453), (26, 4991048), (52, 2495524), (104, 1247762), (208, 623881)]