71280430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1249}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 138600000

約数和(自身を除く): 67319570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 439, 878, 1249, 2195, 2498, 4390, 5707, 6245, 11414, 12490, 16237, 28535, 32474, 57070, 81185, 162370, 548311, 1096622, 2741555, 5483110, 7128043, 14256086, 35640215, 71280430]

約数ペア:

[(1, 71280430), (2, 35640215), (5, 14256086), (10, 7128043), (13, 5483110), (26, 2741555), (65, 1096622), (130, 548311), (439, 162370), (878, 81185), (1249, 57070), (2195, 32474), (2498, 28535), (4390, 16237), (5707, 12490), (6245, 11414)]