28498645

素因数分解:

$5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 40018104

約数和(自身を除く): 11519459

約数列:

[1, 5, 7, 35, 49, 245, 293, 397, 1465, 1985, 2051, 2779, 10255, 13895, 14357, 19453, 71785, 97265, 116321, 581605, 814247, 4071235, 5699729, 28498645]

約数ペア:

[(1, 28498645), (5, 5699729), (7, 4071235), (35, 814247), (49, 581605), (245, 116321), (293, 97265), (397, 71785), (1465, 19453), (1985, 14357), (2051, 13895), (2779, 10255)]