221497856

素因数分解:

$2^9\times {\mathrm{432613}}^1$

素因数の和:432631

約数の個数: 20

約数和(自身を含む): 442564122

約数和(自身を除く): 221066266

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 432613, 865226, 1730452, 3460904, 6921808, 13843616, 27687232, 55374464, 110748928, 221497856]

約数ペア:

[(1, 221497856), (2, 110748928), (4, 55374464), (8, 27687232), (16, 13843616), (32, 6921808), (64, 3460904), (128, 1730452), (256, 865226), (512, 432613)]