87481268

素因数分解:

$2^2\times 7^2\times {\mathrm{446333}}^1$

素因数の和:446351

約数の個数: 18

約数和(自身を含む): 178087266

約数和(自身を除く): 90605998

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 446333, 892666, 1785332, 3124331, 6248662, 12497324, 21870317, 43740634, 87481268]

約数ペア:

[(1, 87481268), (2, 43740634), (4, 21870317), (7, 12497324), (14, 6248662), (28, 3124331), (49, 1785332), (98, 892666), (196, 446333)]