209026321

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{8297}}^1$

素因数の和:8424

約数の個数: 16

約数和(自身を含む): 246948480

約数和(自身を除く): 37922159

約数列:

[1, 7, 59, 61, 413, 427, 3599, 8297, 25193, 58079, 489523, 506117, 3426661, 3542819, 29860903, 209026321]

約数ペア:

[(1, 209026321), (7, 29860903), (59, 3542819), (61, 3426661), (413, 506117), (427, 489523), (3599, 58079), (8297, 25193)]