81968904

素因数分解:

$2^3\times 3^2\times {\mathrm{1138457}}^1$

素因数の和:1138469

約数の個数: 24

約数和(自身を含む): 221999310

約数和(自身を除く): 140030406

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1138457, 2276914, 3415371, 4553828, 6830742, 9107656, 10246113, 13661484, 20492226, 27322968, 40984452, 81968904]

約数ペア:

[(1, 81968904), (2, 40984452), (3, 27322968), (4, 20492226), (6, 13661484), (8, 10246113), (9, 9107656), (12, 6830742), (18, 4553828), (24, 3415371), (36, 2276914), (72, 1138457)]