80897402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{19531}}^1$

素因数の和:19661

約数の個数: 16

約数和(自身を含む): 128911200

約数和(自身を除く): 48013798

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 19531, 39062, 371089, 742178, 2128879, 4257758, 40448701, 80897402]

約数ペア:

[(1, 80897402), (2, 40448701), (19, 4257758), (38, 2128879), (109, 742178), (218, 371089), (2071, 39062), (4142, 19531)]