128231392

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 257402880

約数和(自身を除く): 129171488

約数列:

[1, 2, 4, 8, 16, 32, 127, 139, 227, 254, 278, 454, 508, 556, 908, 1016, 1112, 1816, 2032, 2224, 3632, 4064, 4448, 7264, 17653, 28829, 31553, 35306, 57658, 63106, 70612, 115316, 126212, 141224, 230632, 252424, 282448, 461264, 504848, 564896, 922528, 1009696, 4007231, 8014462, 16028924, 32057848, 64115696, 128231392]

約数ペア:

[(1, 128231392), (2, 64115696), (4, 32057848), (8, 16028924), (16, 8014462), (32, 4007231), (127, 1009696), (139, 922528), (227, 564896), (254, 504848), (278, 461264), (454, 282448), (508, 252424), (556, 230632), (908, 141224), (1016, 126212), (1112, 115316), (1816, 70612), (2032, 63106), (2224, 57658), (3632, 35306), (4064, 31553), (4448, 28829), (7264, 17653)]