81536690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{3559}}^1$

素因数の和:3674

約数の個数: 32

約数和(自身を含む): 153792000

約数和(自身を除く): 72255310

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 2291, 3559, 4582, 7118, 11455, 17795, 22910, 35590, 103211, 206422, 281161, 516055, 562322, 1032110, 1405805, 2811610, 8153669, 16307338, 40768345, 81536690]

約数ペア:

[(1, 81536690), (2, 40768345), (5, 16307338), (10, 8153669), (29, 2811610), (58, 1405805), (79, 1032110), (145, 562322), (158, 516055), (290, 281161), (395, 206422), (790, 103211), (2291, 35590), (3559, 22910), (4582, 17795), (7118, 11455)]