71445712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{343489}}^1$

素因数の和:343510

約数の個数: 20

約数和(自身を含む): 149074660

約数和(自身を除く): 77628948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 343489, 686978, 1373956, 2747912, 4465357, 5495824, 8930714, 17861428, 35722856, 71445712]

約数ペア:

[(1, 71445712), (2, 35722856), (4, 17861428), (8, 8930714), (13, 5495824), (16, 4465357), (26, 2747912), (52, 1373956), (104, 686978), (208, 343489)]