78866284

素因数分解:

$2^2\times 7^2\times {\mathrm{402379}}^1$

素因数の和:402397

約数の個数: 18

約数和(自身を含む): 160549620

約数和(自身を除く): 81683336

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 402379, 804758, 1609516, 2816653, 5633306, 11266612, 19716571, 39433142, 78866284]

約数ペア:

[(1, 78866284), (2, 39433142), (4, 19716571), (7, 11266612), (14, 5633306), (28, 2816653), (49, 1609516), (98, 804758), (196, 402379)]