28706615

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7963}}^1$

素因数の和:8078

約数の個数: 16

約数和(自身を含む): 39756288

約数和(自身を除く): 11049673

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 7963, 39815, 55741, 278705, 820189, 4100945, 5741323, 28706615]

約数ペア:

[(1, 28706615), (5, 5741323), (7, 4100945), (35, 820189), (103, 278705), (515, 55741), (721, 39815), (3605, 7963)]