131041216

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{257}}^2$

素因数の和:557

約数の個数: 42

約数和(自身を含む): 269471648

約数和(自身を除く): 138430432

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 257, 496, 514, 992, 1028, 1984, 2056, 4112, 7967, 8224, 15934, 16448, 31868, 63736, 66049, 127472, 132098, 254944, 264196, 509888, 528392, 1056784, 2047519, 2113568, 4095038, 4227136, 8190076, 16380152, 32760304, 65520608, 131041216]

約数ペア:

[(1, 131041216), (2, 65520608), (4, 32760304), (8, 16380152), (16, 8190076), (31, 4227136), (32, 4095038), (62, 2113568), (64, 2047519), (124, 1056784), (248, 528392), (257, 509888), (496, 264196), (514, 254944), (992, 132098), (1028, 127472), (1984, 66049), (2056, 63736), (4112, 31868), (7967, 16448), (8224, 15934)]