221764802

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{216991}}^1$

素因数の和:217073

約数の個数: 16

約数和(自身を含む): 385377792

約数和(自身を除く): 163612990

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 216991, 433982, 1518937, 3037874, 15840343, 31680686, 110882401, 221764802]

約数ペア:

[(1, 221764802), (2, 110882401), (7, 31680686), (14, 15840343), (73, 3037874), (146, 1518937), (511, 433982), (1022, 216991)]