257103126

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1663}}^1$

素因数の和:2090

約数の個数: 64

約数和(自身を含む): 654950400

約数和(自身を除く): 397847274

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 409, 818, 1227, 1663, 2454, 2863, 3326, 3681, 4989, 5726, 7362, 8589, 9978, 11043, 11641, 14967, 17178, 22086, 23282, 25767, 29934, 34923, 44901, 51534, 69846, 77301, 89802, 104769, 154602, 209538, 314307, 628614, 680167, 1360334, 2040501, 4081002, 4761169, 6121503, 9522338, 12243006, 14283507, 18364509, 28567014, 36729018, 42850521, 85701042, 128551563, 257103126]

約数ペア:

[(1, 257103126), (2, 128551563), (3, 85701042), (6, 42850521), (7, 36729018), (9, 28567014), (14, 18364509), (18, 14283507), (21, 12243006), (27, 9522338), (42, 6121503), (54, 4761169), (63, 4081002), (126, 2040501), (189, 1360334), (378, 680167), (409, 628614), (818, 314307), (1227, 209538), (1663, 154602), (2454, 104769), (2863, 89802), (3326, 77301), (3681, 69846), (4989, 51534), (5726, 44901), (7362, 34923), (8589, 29934), (9978, 25767), (11043, 23282), (11641, 22086), (14967, 17178)]