81362456

素因数分解:

$2^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{3371}}^1$

素因数の和:3815

約数の個数: 32

約数和(自身を含む): 174804480

約数和(自身を除く): 93442024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 431, 862, 1724, 3017, 3371, 3448, 6034, 6742, 12068, 13484, 23597, 24136, 26968, 47194, 94388, 188776, 1452901, 2905802, 5811604, 10170307, 11623208, 20340614, 40681228, 81362456]

約数ペア:

[(1, 81362456), (2, 40681228), (4, 20340614), (7, 11623208), (8, 10170307), (14, 5811604), (28, 2905802), (56, 1452901), (431, 188776), (862, 94388), (1724, 47194), (3017, 26968), (3371, 24136), (3448, 23597), (6034, 13484), (6742, 12068)]