81181558

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{3163}}^1$

素因数の和:3519

約数の個数: 16

約数和(自身を含む): 125180496

約数和(自身を除く): 43998938

約数列:

[1, 2, 41, 82, 313, 626, 3163, 6326, 12833, 25666, 129683, 259366, 990019, 1980038, 40590779, 81181558]

約数ペア:

[(1, 81181558), (2, 40590779), (41, 1980038), (82, 990019), (313, 259366), (626, 129683), (3163, 25666), (6326, 12833)]