81667196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{2903}}^1$

素因数の和:3461

約数の個数: 24

約数和(自身を含む): 154248864

約数和(自身を除く): 72581668

約数列:

[1, 2, 4, 13, 26, 52, 541, 1082, 2164, 2903, 5806, 7033, 11612, 14066, 28132, 37739, 75478, 150956, 1570523, 3141046, 6282092, 20416799, 40833598, 81667196]

約数ペア:

[(1, 81667196), (2, 40833598), (4, 20416799), (13, 6282092), (26, 3141046), (52, 1570523), (541, 150956), (1082, 75478), (2164, 37739), (2903, 28132), (5806, 14066), (7033, 11612)]