78199492

素因数分解:

$2^2\times 7^2\times {\mathrm{398977}}^1$

素因数の和:398995

約数の個数: 18

約数和(自身を含む): 159192222

約数和(自身を除く): 80992730

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 398977, 797954, 1595908, 2792839, 5585678, 11171356, 19549873, 39099746, 78199492]

約数ペア:

[(1, 78199492), (2, 39099746), (4, 19549873), (7, 11171356), (14, 5585678), (28, 2792839), (49, 1595908), (98, 797954), (196, 398977)]