81404474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{5507}}^1$

素因数の和:5917

約数の個数: 16

約数和(自身を含む): 128887200

約数和(自身を除く): 47482726

約数列:

[1, 2, 19, 38, 389, 778, 5507, 7391, 11014, 14782, 104633, 209266, 2142223, 4284446, 40702237, 81404474]

約数ペア:

[(1, 81404474), (2, 40702237), (19, 4284446), (38, 2142223), (389, 209266), (778, 104633), (5507, 14782), (7391, 11014)]