678887242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{204361}}^1$

素因数の和:204525

約数の個数: 16

約数和(自身を含む): 1118268864

約数和(自身を除く): 439381622

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 204361, 408722, 2247971, 4495942, 30858511, 61717022, 339443621, 678887242]

約数ペア:

[(1, 678887242), (2, 339443621), (11, 61717022), (22, 30858511), (151, 4495942), (302, 2247971), (1661, 408722), (3322, 204361)]