81420182

素因数分解:

$2^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1\times {\mathrm{769}}^1$

素因数の和:1255

約数の個数: 16

約数和(自身を含む): 123409440

約数和(自身を除く): 41989258

約数列:

[1, 2, 167, 317, 334, 634, 769, 1538, 52939, 105878, 128423, 243773, 256846, 487546, 40710091, 81420182]

約数ペア:

[(1, 81420182), (2, 40710091), (167, 487546), (317, 256846), (334, 243773), (634, 128423), (769, 105878), (1538, 52939)]