2149918945

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{76333}}^1$

素因数の和:76512

約数の個数: 16

約数和(自身を含む): 2660087232

約数和(自身を除く): 510168287

約数列:

[1, 5, 43, 131, 215, 655, 5633, 28165, 76333, 381665, 3282319, 9999623, 16411595, 49998115, 429983789, 2149918945]

約数ペア:

[(1, 2149918945), (5, 429983789), (43, 49998115), (131, 16411595), (215, 9999623), (655, 3282319), (5633, 381665), (28165, 76333)]