209013215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{4831}}^1$

素因数の和:5362

約数の個数: 16

約数和(自身を含む): 266146560

約数和(自身を除く): 57133345

約数列:

[1, 5, 17, 85, 509, 2545, 4831, 8653, 24155, 43265, 82127, 410635, 2458979, 12294895, 41802643, 209013215]

約数ペア:

[(1, 209013215), (5, 41802643), (17, 12294895), (85, 2458979), (509, 410635), (2545, 82127), (4831, 43265), (8653, 24155)]