201822257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{31237}}^1$

素因数の和:31328

約数の個数: 16

約数和(自身を含む): 251903232

約数和(自身を除く): 50080975

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 31237, 218659, 406081, 2217827, 2842567, 15524789, 28831751, 201822257]

約数ペア:

[(1, 201822257), (7, 28831751), (13, 15524789), (71, 2842567), (91, 2217827), (497, 406081), (923, 218659), (6461, 31237)]