378942487

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{28447}}^1$

素因数の和:28638

約数の個数: 16

約数和(自身を含む): 475195392

約数和(自身を除く): 96252905

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 13321, 28447, 199129, 312917, 2190419, 4921331, 34449317, 54134641, 378942487]

約数ペア:

[(1, 378942487), (7, 54134641), (11, 34449317), (77, 4921331), (173, 2190419), (1211, 312917), (1903, 199129), (13321, 28447)]