80989615

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1831

約数の個数: 32

約数和(自身を含む): 119162880

約数和(自身を除く): 38173265

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 395, 553, 595, 1343, 1723, 2765, 6715, 8615, 9401, 12061, 29291, 47005, 60305, 136117, 146455, 205037, 680585, 952819, 1025185, 2313989, 4764095, 11569945, 16197923, 80989615]

約数ペア:

[(1, 80989615), (5, 16197923), (7, 11569945), (17, 4764095), (35, 2313989), (79, 1025185), (85, 952819), (119, 680585), (395, 205037), (553, 146455), (595, 136117), (1343, 60305), (1723, 47005), (2765, 29291), (6715, 12061), (8615, 9401)]