51391982

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{12553}}^1$

素因数の和:12667

約数の個数: 16

約数和(自身を含む): 81349920

約数和(自身を除く): 29957938

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 12553, 25106, 288719, 577438, 1117217, 2234434, 25695991, 51391982]

約数ペア:

[(1, 51391982), (2, 25695991), (23, 2234434), (46, 1117217), (89, 577438), (178, 288719), (2047, 25106), (4094, 12553)]