129032488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1877}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 261079560

約数和(自身を除く): 132047072

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 661, 1322, 1877, 2644, 3754, 5288, 7508, 8593, 15016, 17186, 24401, 34372, 48802, 68744, 97604, 195208, 1240697, 2481394, 4962788, 9925576, 16129061, 32258122, 64516244, 129032488]

約数ペア:

[(1, 129032488), (2, 64516244), (4, 32258122), (8, 16129061), (13, 9925576), (26, 4962788), (52, 2481394), (104, 1240697), (661, 195208), (1322, 97604), (1877, 68744), (2644, 48802), (3754, 34372), (5288, 24401), (7508, 17186), (8593, 15016)]