28805328

素因数分解:

$2^4\times 3^3\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 80

約数和(自身を含む): 83476800

約数和(自身を除く): 54671472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 131, 144, 216, 262, 393, 432, 509, 524, 786, 1018, 1048, 1179, 1527, 1572, 2036, 2096, 2358, 3054, 3144, 3537, 4072, 4581, 4716, 6108, 6288, 7074, 8144, 9162, 9432, 12216, 13743, 14148, 18324, 18864, 24432, 27486, 28296, 36648, 54972, 56592, 66679, 73296, 109944, 133358, 200037, 219888, 266716, 400074, 533432, 600111, 800148, 1066864, 1200222, 1600296, 1800333, 2400444, 3200592, 3600666, 4800888, 7201332, 9601776, 14402664, 28805328]

約数ペア:

[(1, 28805328), (2, 14402664), (3, 9601776), (4, 7201332), (6, 4800888), (8, 3600666), (9, 3200592), (12, 2400444), (16, 1800333), (18, 1600296), (24, 1200222), (27, 1066864), (36, 800148), (48, 600111), (54, 533432), (72, 400074), (108, 266716), (131, 219888), (144, 200037), (216, 133358), (262, 109944), (393, 73296), (432, 66679), (509, 56592), (524, 54972), (786, 36648), (1018, 28296), (1048, 27486), (1179, 24432), (1527, 18864), (1572, 18324), (2036, 14148), (2096, 13743), (2358, 12216), (3054, 9432), (3144, 9162), (3537, 8144), (4072, 7074), (4581, 6288), (4716, 6108)]