66398672

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{49999}}^1$

素因数の和:50090

約数の個数: 20

約数和(自身を含む): 130200000

約数和(自身を除く): 63801328

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 49999, 99998, 199996, 399992, 799984, 4149917, 8299834, 16599668, 33199336, 66398672]

約数ペア:

[(1, 66398672), (2, 33199336), (4, 16599668), (8, 8299834), (16, 4149917), (83, 799984), (166, 399992), (332, 199996), (664, 99998), (1328, 49999)]