261205728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{388699}}^1$

素因数の和:388719

約数の個数: 48

約数和(自身を含む): 783619200

約数和(自身を除く): 522413472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 388699, 777398, 1166097, 1554796, 2332194, 2720893, 3109592, 4664388, 5441786, 6219184, 8162679, 9328776, 10883572, 12438368, 16325358, 18657552, 21767144, 32650716, 37315104, 43534288, 65301432, 87068576, 130602864, 261205728]

約数ペア:

[(1, 261205728), (2, 130602864), (3, 87068576), (4, 65301432), (6, 43534288), (7, 37315104), (8, 32650716), (12, 21767144), (14, 18657552), (16, 16325358), (21, 12438368), (24, 10883572), (28, 9328776), (32, 8162679), (42, 6219184), (48, 5441786), (56, 4664388), (84, 3109592), (96, 2720893), (112, 2332194), (168, 1554796), (224, 1166097), (336, 777398), (672, 388699)]