257029408

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 514491264

約数和(自身を除く): 257461856

約数列:

[1, 2, 4, 8, 16, 32, 107, 214, 271, 277, 428, 542, 554, 856, 1084, 1108, 1712, 2168, 2216, 3424, 4336, 4432, 8672, 8864, 28997, 29639, 57994, 59278, 75067, 115988, 118556, 150134, 231976, 237112, 300268, 463952, 474224, 600536, 927904, 948448, 1201072, 2402144, 8032169, 16064338, 32128676, 64257352, 128514704, 257029408]

約数ペア:

[(1, 257029408), (2, 128514704), (4, 64257352), (8, 32128676), (16, 16064338), (32, 8032169), (107, 2402144), (214, 1201072), (271, 948448), (277, 927904), (428, 600536), (542, 474224), (554, 463952), (856, 300268), (1084, 237112), (1108, 231976), (1712, 150134), (2168, 118556), (2216, 115988), (3424, 75067), (4336, 59278), (4432, 57994), (8672, 29639), (8864, 28997)]