209533681

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1\times {\mathrm{1697}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 247772160

約数和(自身を除く): 38238479

約数列:

[1, 7, 31, 217, 569, 1697, 3983, 11879, 17639, 52607, 123473, 368249, 965593, 6759151, 29933383, 209533681]

約数ペア:

[(1, 209533681), (7, 29933383), (31, 6759151), (217, 965593), (569, 368249), (1697, 123473), (3983, 52607), (11879, 17639)]