208692545

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{1907}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 256893120

約数和(自身を除く): 48200575

約数列:

[1, 5, 43, 215, 509, 1907, 2545, 9535, 21887, 82001, 109435, 410005, 970663, 4853315, 41738509, 208692545]

約数ペア:

[(1, 208692545), (5, 41738509), (43, 4853315), (215, 970663), (509, 410005), (1907, 109435), (2545, 82001), (9535, 21887)]