179998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 32

約数和(自身を含む): 354816

約数和(自身を除く): 174818

約数列:

[1, 2, 7, 13, 14, 23, 26, 43, 46, 86, 91, 161, 182, 299, 301, 322, 559, 598, 602, 989, 1118, 1978, 2093, 3913, 4186, 6923, 7826, 12857, 13846, 25714, 89999, 179998]

約数ペア:

[(1, 179998), (2, 89999), (7, 25714), (13, 13846), (14, 12857), (23, 7826), (26, 6923), (43, 4186), (46, 3913), (86, 2093), (91, 1978), (161, 1118), (182, 989), (299, 602), (301, 598), (322, 559)]