80665417

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 96957000

約数和(自身を除く): 16291583

約数列:

[1, 7, 49, 53, 89, 349, 371, 623, 2443, 2597, 4361, 4717, 17101, 18497, 31061, 33019, 129479, 217427, 231133, 906353, 1521989, 1646233, 11523631, 80665417]

約数ペア:

[(1, 80665417), (7, 11523631), (49, 1646233), (53, 1521989), (89, 906353), (349, 231133), (371, 217427), (623, 129479), (2443, 33019), (2597, 31061), (4361, 18497), (4717, 17101)]