78689191

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{3389}}^1$

素因数の和:3534

約数の個数: 16

約数和(自身を含む): 93726720

約数和(自身を除く): 15037529

約数列:

[1, 7, 31, 107, 217, 749, 3317, 3389, 23219, 23723, 105059, 362623, 735413, 2538361, 11241313, 78689191]

約数ペア:

[(1, 78689191), (7, 11241313), (31, 2538361), (107, 735413), (217, 362623), (749, 105059), (3317, 23723), (3389, 23219)]