278298666

素因数分解:

$2^1\times 3^6\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 112

約数和(自身を含む): 671749056

約数和(自身を除く): 393450390

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 43, 46, 54, 69, 81, 86, 129, 138, 162, 193, 207, 243, 258, 386, 387, 414, 486, 579, 621, 729, 774, 989, 1158, 1161, 1242, 1458, 1737, 1863, 1978, 2322, 2967, 3474, 3483, 3726, 4439, 5211, 5589, 5934, 6966, 8299, 8878, 8901, 10422, 10449, 11178, 13317, 15633, 16598, 16767, 17802, 20898, 24897, 26634, 26703, 31266, 31347, 33534, 39951, 46899, 49794, 53406, 62694, 74691, 79902, 80109, 93798, 119853, 140697, 149382, 160218, 190877, 224073, 239706, 240327, 281394, 359559, 381754, 448146, 480654, 572631, 672219, 719118, 720981, 1078677, 1145262, 1344438, 1441962, 1717893, 2016657, 2157354, 3236031, 3435786, 4033314, 5153679, 6049971, 6472062, 10307358, 12099942, 15461037, 30922074, 46383111, 92766222, 139149333, 278298666]

約数ペア:

[(1, 278298666), (2, 139149333), (3, 92766222), (6, 46383111), (9, 30922074), (18, 15461037), (23, 12099942), (27, 10307358), (43, 6472062), (46, 6049971), (54, 5153679), (69, 4033314), (81, 3435786), (86, 3236031), (129, 2157354), (138, 2016657), (162, 1717893), (193, 1441962), (207, 1344438), (243, 1145262), (258, 1078677), (386, 720981), (387, 719118), (414, 672219), (486, 572631), (579, 480654), (621, 448146), (729, 381754), (774, 359559), (989, 281394), (1158, 240327), (1161, 239706), (1242, 224073), (1458, 190877), (1737, 160218), (1863, 149382), (1978, 140697), (2322, 119853), (2967, 93798), (3474, 80109), (3483, 79902), (3726, 74691), (4439, 62694), (5211, 53406), (5589, 49794), (5934, 46899), (6966, 39951), (8299, 33534), (8878, 31347), (8901, 31266), (10422, 26703), (10449, 26634), (11178, 24897), (13317, 20898), (15633, 17802), (16598, 16767)]