311966871

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 479969280

約数和(自身を除く): 168002409

約数列:

[1, 3, 19, 23, 47, 57, 61, 69, 83, 141, 183, 249, 437, 893, 1081, 1159, 1311, 1403, 1577, 1909, 2679, 2867, 3243, 3477, 3901, 4209, 4731, 5063, 5727, 8601, 11703, 15189, 20539, 26657, 36271, 54473, 61617, 65941, 74119, 79971, 89723, 96197, 108813, 116449, 163419, 197823, 222357, 237961, 269169, 288591, 349347, 713883, 1252879, 1704737, 2212531, 3758637, 4521259, 5114211, 5473103, 6637593, 13563777, 16419309, 103988957, 311966871]

約数ペア:

[(1, 311966871), (3, 103988957), (19, 16419309), (23, 13563777), (47, 6637593), (57, 5473103), (61, 5114211), (69, 4521259), (83, 3758637), (141, 2212531), (183, 1704737), (249, 1252879), (437, 713883), (893, 349347), (1081, 288591), (1159, 269169), (1311, 237961), (1403, 222357), (1577, 197823), (1909, 163419), (2679, 116449), (2867, 108813), (3243, 96197), (3477, 89723), (3901, 79971), (4209, 74119), (4731, 65941), (5063, 61617), (5727, 54473), (8601, 36271), (11703, 26657), (15189, 20539)]