258163888

素因数分解:

$2^4\times {\mathrm{953}}^1\times {\mathrm{16931}}^1$

素因数の和:17892

約数の個数: 20

約数和(自身を含む): 500746968

約数和(自身を除く): 242583080

約数列:

[1, 2, 4, 8, 16, 953, 1906, 3812, 7624, 15248, 16931, 33862, 67724, 135448, 270896, 16135243, 32270486, 64540972, 129081944, 258163888]

約数ペア:

[(1, 258163888), (2, 129081944), (4, 64540972), (8, 32270486), (16, 16135243), (953, 270896), (1906, 135448), (3812, 67724), (7624, 33862), (15248, 16931)]