2581535

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 3619728

約数和(自身を除く): 1038193

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 251, 605, 935, 1255, 2057, 2761, 4267, 10285, 13805, 21335, 30371, 46937, 151855, 234685, 516307, 2581535]

約数ペア:

[(1, 2581535), (5, 516307), (11, 234685), (17, 151855), (55, 46937), (85, 30371), (121, 21335), (187, 13805), (251, 10285), (605, 4267), (935, 2761), (1255, 2057)]