199909982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 321995520

約数和(自身を除く): 122085538

約数列:

[1, 2, 19, 38, 83, 166, 241, 263, 482, 526, 1577, 3154, 4579, 4997, 9158, 9994, 20003, 21829, 40006, 43658, 63383, 126766, 380057, 414751, 760114, 829502, 1204277, 2408554, 5260789, 10521578, 99954991, 199909982]

約数ペア:

[(1, 199909982), (2, 99954991), (19, 10521578), (38, 5260789), (83, 2408554), (166, 1204277), (241, 829502), (263, 760114), (482, 414751), (526, 380057), (1577, 126766), (3154, 63383), (4579, 43658), (4997, 40006), (9158, 21829), (9994, 20003)]