51457744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247393}}^1$

素因数の和:247414

約数の個数: 20

約数和(自身を含む): 107368996

約数和(自身を除く): 55911252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247393, 494786, 989572, 1979144, 3216109, 3958288, 6432218, 12864436, 25728872, 51457744]

約数ペア:

[(1, 51457744), (2, 25728872), (4, 12864436), (8, 6432218), (13, 3958288), (16, 3216109), (26, 1979144), (52, 989572), (104, 494786), (208, 247393)]