87408013

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 111530304

約数和(自身を除く): 24122291

約数列:

[1, 7, 11, 49, 77, 257, 539, 631, 1799, 2827, 4417, 6941, 12593, 19789, 30919, 48587, 138523, 162167, 340109, 1135169, 1783837, 7946183, 12486859, 87408013]

約数ペア:

[(1, 87408013), (7, 12486859), (11, 7946183), (49, 1783837), (77, 1135169), (257, 340109), (539, 162167), (631, 138523), (1799, 48587), (2827, 30919), (4417, 19789), (6941, 12593)]