28678970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{98893}}^1$

素因数の和:98929

約数の個数: 16

約数和(自身を含む): 53402760

約数和(自身を除く): 24723790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 98893, 197786, 494465, 988930, 2867897, 5735794, 14339485, 28678970]

約数ペア:

[(1, 28678970), (2, 14339485), (5, 5735794), (10, 2867897), (29, 988930), (58, 494465), (145, 197786), (290, 98893)]