209542645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1723}}^1\times {\mathrm{1871}}^1$

素因数の和:3612

約数の個数: 16

約数和(自身を含む): 271095552

約数和(自身を除く): 61552907

約数列:

[1, 5, 13, 65, 1723, 1871, 8615, 9355, 22399, 24323, 111995, 121615, 3223733, 16118665, 41908529, 209542645]

約数ペア:

[(1, 209542645), (5, 41908529), (13, 16118665), (65, 3223733), (1723, 121615), (1871, 111995), (8615, 24323), (9355, 22399)]