265653136

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4092

約数の個数: 80

約数和(自身を含む): 639324160

約数和(自身を除く): 373671024

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1736, 2128, 2356, 3472, 4027, 4123, 4712, 8054, 8246, 9424, 16108, 16492, 28189, 32216, 32984, 56378, 64432, 65968, 76513, 112756, 124837, 153026, 225512, 249674, 306052, 451024, 499348, 535591, 612104, 873859, 998696, 1071182, 1224208, 1747718, 1997392, 2142364, 2371903, 3495436, 4284728, 4743806, 6990872, 8569456, 9487612, 13981744, 16603321, 18975224, 33206642, 37950448, 66413284, 132826568, 265653136]

約数ペア:

[(1, 265653136), (2, 132826568), (4, 66413284), (7, 37950448), (8, 33206642), (14, 18975224), (16, 16603321), (19, 13981744), (28, 9487612), (31, 8569456), (38, 6990872), (56, 4743806), (62, 4284728), (76, 3495436), (112, 2371903), (124, 2142364), (133, 1997392), (152, 1747718), (217, 1224208), (248, 1071182), (266, 998696), (304, 873859), (434, 612104), (496, 535591), (532, 499348), (589, 451024), (868, 306052), (1064, 249674), (1178, 225512), (1736, 153026), (2128, 124837), (2356, 112756), (3472, 76513), (4027, 65968), (4123, 64432), (4712, 56378), (8054, 32984), (8246, 32216), (9424, 28189), (16108, 16492)]