87640258

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{21407}}^1$

素因数の和:21521

約数の個数: 16

約数和(自身を含む): 138723840

約数和(自身を除く): 51083582

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 21407, 42814, 492361, 984722, 1905223, 3810446, 43820129, 87640258]

約数ペア:

[(1, 87640258), (2, 43820129), (23, 3810446), (46, 1905223), (89, 984722), (178, 492361), (2047, 42814), (4094, 21407)]