256632016

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{193247}}^1$

素因数の和:193338

約数の個数: 20

約数和(自身を含む): 503217792

約数和(自身を除く): 246585776

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 193247, 386494, 772988, 1545976, 3091952, 16039501, 32079002, 64158004, 128316008, 256632016]

約数ペア:

[(1, 256632016), (2, 128316008), (4, 64158004), (8, 32079002), (16, 16039501), (83, 3091952), (166, 1545976), (332, 772988), (664, 386494), (1328, 193247)]