78689492

素因数分解:

$2^2\times 7^2\times {\mathrm{401477}}^1$

素因数の和:401495

約数の個数: 18

約数和(自身を含む): 160189722

約数和(自身を除く): 81500230

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 401477, 802954, 1605908, 2810339, 5620678, 11241356, 19672373, 39344746, 78689492]

約数ペア:

[(1, 78689492), (2, 39344746), (4, 19672373), (7, 11241356), (14, 5620678), (28, 2810339), (49, 1605908), (98, 802954), (196, 401477)]