81957378

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1783}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 168523776

約数和(自身を除く): 86566398

約数列:

[1, 2, 3, 6, 47, 94, 141, 163, 282, 326, 489, 978, 1783, 3566, 5349, 7661, 10698, 15322, 22983, 45966, 83801, 167602, 251403, 290629, 502806, 581258, 871887, 1743774, 13659563, 27319126, 40978689, 81957378]

約数ペア:

[(1, 81957378), (2, 40978689), (3, 27319126), (6, 13659563), (47, 1743774), (94, 871887), (141, 581258), (163, 502806), (282, 290629), (326, 251403), (489, 167602), (978, 83801), (1783, 45966), (3566, 22983), (5349, 15322), (7661, 10698)]