261311904

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{18517}}^1$

素因数の和:18547

約数の個数: 108

約数和(自身を含む): 864475794

約数和(自身を除く): 603163890

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1568, 1764, 2016, 2352, 3528, 4704, 7056, 14112, 18517, 37034, 55551, 74068, 111102, 129619, 148136, 166653, 222204, 259238, 296272, 333306, 388857, 444408, 518476, 592544, 666612, 777714, 888816, 907333, 1036952, 1166571, 1333224, 1555428, 1777632, 1814666, 2073904, 2333142, 2666448, 2721999, 3110856, 3629332, 4147808, 4666284, 5332896, 5443998, 6221712, 7258664, 8165997, 9332568, 10887996, 12443424, 14517328, 16331994, 18665136, 21775992, 29034656, 32663988, 37330272, 43551984, 65327976, 87103968, 130655952, 261311904]

約数ペア:

[(1, 261311904), (2, 130655952), (3, 87103968), (4, 65327976), (6, 43551984), (7, 37330272), (8, 32663988), (9, 29034656), (12, 21775992), (14, 18665136), (16, 16331994), (18, 14517328), (21, 12443424), (24, 10887996), (28, 9332568), (32, 8165997), (36, 7258664), (42, 6221712), (48, 5443998), (49, 5332896), (56, 4666284), (63, 4147808), (72, 3629332), (84, 3110856), (96, 2721999), (98, 2666448), (112, 2333142), (126, 2073904), (144, 1814666), (147, 1777632), (168, 1555428), (196, 1333224), (224, 1166571), (252, 1036952), (288, 907333), (294, 888816), (336, 777714), (392, 666612), (441, 592544), (504, 518476), (588, 444408), (672, 388857), (784, 333306), (882, 296272), (1008, 259238), (1176, 222204), (1568, 166653), (1764, 148136), (2016, 129619), (2352, 111102), (3528, 74068), (4704, 55551), (7056, 37034), (14112, 18517)]