80621807

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 100800000

約数和(自身を除く): 20178193

約数列:

[1, 7, 19, 49, 89, 133, 139, 343, 623, 931, 973, 1691, 2641, 4361, 6517, 6811, 11837, 12371, 18487, 30527, 47677, 82859, 86597, 129409, 235049, 580013, 606179, 905863, 1645343, 4243253, 11517401, 80621807]

約数ペア:

[(1, 80621807), (7, 11517401), (19, 4243253), (49, 1645343), (89, 905863), (133, 606179), (139, 580013), (343, 235049), (623, 129409), (931, 86597), (973, 82859), (1691, 47677), (2641, 30527), (4361, 18487), (6517, 12371), (6811, 11837)]