217996928

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{39607}}^1$

素因数の和:39664

約数の個数: 32

約数和(自身を含む): 444401760

約数和(自身を除く): 226404832

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 5504, 39607, 79214, 158428, 316856, 633712, 1267424, 1703101, 2534848, 3406202, 5069696, 6812404, 13624808, 27249616, 54499232, 108998464, 217996928]

約数ペア:

[(1, 217996928), (2, 108998464), (4, 54499232), (8, 27249616), (16, 13624808), (32, 6812404), (43, 5069696), (64, 3406202), (86, 2534848), (128, 1703101), (172, 1267424), (344, 633712), (688, 316856), (1376, 158428), (2752, 79214), (5504, 39607)]