1981342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:923

約数の個数: 16

約数和(自身を含む): 3274992

約数和(自身を除く): 1293650

約数列:

[1, 2, 11, 22, 113, 226, 797, 1243, 1594, 2486, 8767, 17534, 90061, 180122, 990671, 1981342]

約数ペア:

[(1, 1981342), (2, 990671), (11, 180122), (22, 90061), (113, 17534), (226, 8767), (797, 2486), (1243, 1594)]