398336

素因数分解:

$2^{10}\times {\mathrm{389}}^1$

素因数の和:409

約数の個数: 22

約数和(自身を含む): 798330

約数和(自身を除く): 399994

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 389, 512, 778, 1024, 1556, 3112, 6224, 12448, 24896, 49792, 99584, 199168, 398336]

約数ペア:

[(1, 398336), (2, 199168), (4, 99584), (8, 49792), (16, 24896), (32, 12448), (64, 6224), (128, 3112), (256, 1556), (389, 1024), (512, 778)]