8939872

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 18461520

約数和(自身を除く): 9521648

約数列:

[1, 2, 4, 8, 16, 32, 43, 73, 86, 89, 146, 172, 178, 292, 344, 356, 584, 688, 712, 1168, 1376, 1424, 2336, 2848, 3139, 3827, 6278, 6497, 7654, 12556, 12994, 15308, 25112, 25988, 30616, 50224, 51976, 61232, 100448, 103952, 122464, 207904, 279371, 558742, 1117484, 2234968, 4469936, 8939872]

約数ペア:

[(1, 8939872), (2, 4469936), (4, 2234968), (8, 1117484), (16, 558742), (32, 279371), (43, 207904), (73, 122464), (86, 103952), (89, 100448), (146, 61232), (172, 51976), (178, 50224), (292, 30616), (344, 25988), (356, 25112), (584, 15308), (688, 12994), (712, 12556), (1168, 7654), (1376, 6497), (1424, 6278), (2336, 3827), (2848, 3139)]