208539895

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{18301}}^1$

素因数の和:18402

約数の個数: 16

約数和(自身を含む): 260913312

約数和(自身を除く): 52373417

約数列:

[1, 5, 43, 53, 215, 265, 2279, 11395, 18301, 91505, 786943, 969953, 3934715, 4849765, 41707979, 208539895]

約数ペア:

[(1, 208539895), (5, 41707979), (43, 4849765), (53, 3934715), (215, 969953), (265, 786943), (2279, 91505), (11395, 18301)]