129505168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{622621}}^1$

素因数の和:622642

約数の個数: 20

約数和(自身を含む): 270217948

約数和(自身を除く): 140712780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 622621, 1245242, 2490484, 4980968, 8094073, 9961936, 16188146, 32376292, 64752584, 129505168]

約数ペア:

[(1, 129505168), (2, 64752584), (4, 32376292), (8, 16188146), (13, 9961936), (16, 8094073), (26, 4980968), (52, 2490484), (104, 1245242), (208, 622621)]