87399193

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 108345600

約数和(自身を除く): 20946407

約数列:

[1, 7, 17, 49, 119, 239, 439, 833, 1673, 3073, 4063, 7463, 11711, 21511, 28441, 52241, 104921, 199087, 365687, 734447, 1783657, 5141129, 12485599, 87399193]

約数ペア:

[(1, 87399193), (7, 12485599), (17, 5141129), (49, 1783657), (119, 734447), (239, 365687), (439, 199087), (833, 104921), (1673, 52241), (3073, 28441), (4063, 21511), (7463, 11711)]