278380284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{254927}}^1$

素因数の和:254954

約数の個数: 48

約数和(自身を含む): 799454208

約数和(自身を除く): 521073924

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 254927, 509854, 764781, 1019708, 1529562, 1784489, 3059124, 3314051, 3568978, 5353467, 6628102, 7137956, 9942153, 10706934, 13256204, 19884306, 21413868, 23198357, 39768612, 46396714, 69595071, 92793428, 139190142, 278380284]

約数ペア:

[(1, 278380284), (2, 139190142), (3, 92793428), (4, 69595071), (6, 46396714), (7, 39768612), (12, 23198357), (13, 21413868), (14, 19884306), (21, 13256204), (26, 10706934), (28, 9942153), (39, 7137956), (42, 6628102), (52, 5353467), (78, 3568978), (84, 3314051), (91, 3059124), (156, 1784489), (182, 1529562), (273, 1019708), (364, 764781), (546, 509854), (1092, 254927)]