717496624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{80221}}^1$

素因数の和:80285

約数の個数: 40

約数和(自身を含む): 1531919312

約数和(自身を除く): 814422688

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 80221, 160442, 320884, 641768, 1042873, 1283536, 2085746, 3449503, 4171492, 6899006, 8342984, 13798012, 16685968, 27596024, 44843539, 55192048, 89687078, 179374156, 358748312, 717496624]

約数ペア:

[(1, 717496624), (2, 358748312), (4, 179374156), (8, 89687078), (13, 55192048), (16, 44843539), (26, 27596024), (43, 16685968), (52, 13798012), (86, 8342984), (104, 6899006), (172, 4171492), (208, 3449503), (344, 2085746), (559, 1283536), (688, 1042873), (1118, 641768), (2236, 320884), (4472, 160442), (8944, 80221)]