257112233

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{69697}}^1$

素因数の和:69752

約数の個数: 16

約数和(自身を含む): 321168384

約数和(自身を除く): 64056151

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 69697, 487879, 1184849, 2160607, 8293943, 15124249, 36730319, 257112233]

約数ペア:

[(1, 257112233), (7, 36730319), (17, 15124249), (31, 8293943), (119, 2160607), (217, 1184849), (527, 487879), (3689, 69697)]