4015895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 5359872

約数和(自身を除く): 1343977

約数列:

[1, 5, 13, 31, 65, 155, 403, 1993, 2015, 9965, 25909, 61783, 129545, 308915, 803179, 4015895]

約数ペア:

[(1, 4015895), (5, 803179), (13, 308915), (31, 129545), (65, 61783), (155, 25909), (403, 9965), (1993, 2015)]