129715664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{623633}}^1$

素因数の和:623654

約数の個数: 20

約数和(自身を含む): 270657156

約数和(自身を除く): 140941492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 623633, 1247266, 2494532, 4989064, 8107229, 9978128, 16214458, 32428916, 64857832, 129715664]

約数ペア:

[(1, 129715664), (2, 64857832), (4, 32428916), (8, 16214458), (13, 9978128), (16, 8107229), (26, 4989064), (52, 2494532), (104, 1247266), (208, 623633)]