81974854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{165941}}^1$

素因数の和:165975

約数の個数: 16

約数和(自身を含む): 139391280

約数和(自身を除く): 57416426

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 165941, 331882, 2157233, 3152879, 4314466, 6305758, 40987427, 81974854]

約数ペア:

[(1, 81974854), (2, 40987427), (13, 6305758), (19, 4314466), (26, 3152879), (38, 2157233), (247, 331882), (494, 165941)]