261939888

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{37123}}^1$

素因数の和:37151

約数の個数: 90

約数和(自身を含む): 852775404

約数和(自身を除く): 590835516

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 37123, 74246, 111369, 148492, 222738, 259861, 296984, 334107, 445476, 519722, 593968, 668214, 779583, 890952, 1039444, 1336428, 1559166, 1781904, 1819027, 2078888, 2338749, 2672856, 3118332, 3638054, 4157776, 4677498, 5345712, 5457081, 6236664, 7276108, 9354996, 10914162, 12473328, 14552216, 16371243, 18709992, 21828324, 29104432, 32742486, 37419984, 43656648, 65484972, 87313296, 130969944, 261939888]

約数ペア:

[(1, 261939888), (2, 130969944), (3, 87313296), (4, 65484972), (6, 43656648), (7, 37419984), (8, 32742486), (9, 29104432), (12, 21828324), (14, 18709992), (16, 16371243), (18, 14552216), (21, 12473328), (24, 10914162), (28, 9354996), (36, 7276108), (42, 6236664), (48, 5457081), (49, 5345712), (56, 4677498), (63, 4157776), (72, 3638054), (84, 3118332), (98, 2672856), (112, 2338749), (126, 2078888), (144, 1819027), (147, 1781904), (168, 1559166), (196, 1336428), (252, 1039444), (294, 890952), (336, 779583), (392, 668214), (441, 593968), (504, 519722), (588, 445476), (784, 334107), (882, 296984), (1008, 259861), (1176, 222738), (1764, 148492), (2352, 111369), (3528, 74246), (7056, 37123)]