209841505

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1\times {\mathrm{1429}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 258223680

約数和(自身を除く): 48382175

約数列:

[1, 5, 43, 215, 683, 1429, 3415, 7145, 29369, 61447, 146845, 307235, 976007, 4880035, 41968301, 209841505]

約数ペア:

[(1, 209841505), (5, 41968301), (43, 4880035), (215, 976007), (683, 307235), (1429, 146845), (3415, 61447), (7145, 29369)]