80121938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{43403}}^1$

素因数の和:43489

約数の個数: 16

約数和(自身を含む): 131253696

約数和(自身を除く): 51131758

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 43403, 86806, 564239, 1128478, 3081613, 6163226, 40060969, 80121938]

約数ペア:

[(1, 80121938), (2, 40060969), (13, 6163226), (26, 3081613), (71, 1128478), (142, 564239), (923, 86806), (1846, 43403)]