199499886

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9887}}^1$

素因数の和:9973

約数の個数: 48

約数和(自身を含む): 462758400

約数和(自身を除く): 263258514

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 59, 114, 118, 171, 177, 342, 354, 531, 1062, 1121, 2242, 3363, 6726, 9887, 10089, 19774, 20178, 29661, 59322, 88983, 177966, 187853, 375706, 563559, 583333, 1127118, 1166666, 1690677, 1749999, 3381354, 3499998, 5249997, 10499994, 11083327, 22166654, 33249981, 66499962, 99749943, 199499886]

約数ペア:

[(1, 199499886), (2, 99749943), (3, 66499962), (6, 33249981), (9, 22166654), (18, 11083327), (19, 10499994), (38, 5249997), (57, 3499998), (59, 3381354), (114, 1749999), (118, 1690677), (171, 1166666), (177, 1127118), (342, 583333), (354, 563559), (531, 375706), (1062, 187853), (1121, 177966), (2242, 88983), (3363, 59322), (6726, 29661), (9887, 20178), (10089, 19774)]