257361804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5347}}^1$

素因数の和:5555

約数の個数: 72

約数和(自身を含む): 747522048

約数和(自身を除く): 490160244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 191, 252, 382, 573, 764, 1146, 1337, 1719, 2292, 2674, 3438, 4011, 5347, 5348, 6876, 8022, 10694, 12033, 16041, 16044, 21388, 24066, 32082, 37429, 48123, 48132, 64164, 74858, 96246, 112287, 149716, 192492, 224574, 336861, 449148, 673722, 1021277, 1347444, 2042554, 3063831, 4085108, 6127662, 7148939, 9191493, 12255324, 14297878, 18382986, 21446817, 28595756, 36765972, 42893634, 64340451, 85787268, 128680902, 257361804]

約数ペア:

[(1, 257361804), (2, 128680902), (3, 85787268), (4, 64340451), (6, 42893634), (7, 36765972), (9, 28595756), (12, 21446817), (14, 18382986), (18, 14297878), (21, 12255324), (28, 9191493), (36, 7148939), (42, 6127662), (63, 4085108), (84, 3063831), (126, 2042554), (191, 1347444), (252, 1021277), (382, 673722), (573, 449148), (764, 336861), (1146, 224574), (1337, 192492), (1719, 149716), (2292, 112287), (2674, 96246), (3438, 74858), (4011, 64164), (5347, 48132), (5348, 48123), (6876, 37429), (8022, 32082), (10694, 24066), (12033, 21388), (16041, 16044)]