198288727

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 256435200

約数和(自身を除く): 58146473

約数列:

[1, 7, 13, 23, 91, 161, 211, 299, 449, 1477, 2093, 2743, 3143, 4853, 5837, 10327, 19201, 33971, 40859, 63089, 72289, 94739, 134251, 441623, 663173, 939757, 1231607, 2178997, 8621249, 15252979, 28326961, 198288727]

約数ペア:

[(1, 198288727), (7, 28326961), (13, 15252979), (23, 8621249), (91, 2178997), (161, 1231607), (211, 939757), (299, 663173), (449, 441623), (1477, 134251), (2093, 94739), (2743, 72289), (3143, 63089), (4853, 40859), (5837, 33971), (10327, 19201)]