140289121

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1\times {\mathrm{1229}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 167673600

約数和(自身を除く): 27384479

約数列:

[1, 7, 23, 161, 709, 1229, 4963, 8603, 16307, 28267, 114149, 197869, 871361, 6099527, 20041303, 140289121]

約数ペア:

[(1, 140289121), (7, 20041303), (23, 6099527), (161, 871361), (709, 197869), (1229, 114149), (4963, 28267), (8603, 16307)]