81699268

素因数分解:

$2^2\times 7^2\times {\mathrm{416833}}^1$

素因数の和:416851

約数の個数: 18

約数和(自身を含む): 166316766

約数和(自身を除く): 84617498

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 416833, 833666, 1667332, 2917831, 5835662, 11671324, 20424817, 40849634, 81699268]

約数ペア:

[(1, 81699268), (2, 40849634), (4, 20424817), (7, 11671324), (14, 5835662), (28, 2917831), (49, 1667332), (98, 833666), (196, 416833)]