28128935

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1049}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 35078400

約数和(自身を除く): 6949465

約数列:

[1, 5, 31, 155, 173, 865, 1049, 5245, 5363, 26815, 32519, 162595, 181477, 907385, 5625787, 28128935]

約数ペア:

[(1, 28128935), (5, 5625787), (31, 907385), (155, 181477), (173, 162595), (865, 32519), (1049, 26815), (5245, 5363)]