87948287

素因数分解:

$7^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 107712000

約数和(自身を除く): 19763713

約数列:

[1, 7, 43, 49, 67, 89, 301, 343, 469, 623, 2107, 2881, 3283, 3827, 4361, 5963, 14749, 20167, 22981, 26789, 30527, 41741, 141169, 187523, 256409, 292187, 988183, 1312661, 1794863, 2045309, 12564041, 87948287]

約数ペア:

[(1, 87948287), (7, 12564041), (43, 2045309), (49, 1794863), (67, 1312661), (89, 988183), (301, 292187), (343, 256409), (469, 187523), (623, 141169), (2107, 41741), (2881, 30527), (3283, 26789), (3827, 22981), (4361, 20167), (5963, 14749)]