28642816

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1362

約数の個数: 40

約数和(自身を含む): 58605624

約数和(自身を除く): 29962808

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1301, 1376, 2602, 2752, 5204, 5504, 10408, 11008, 20816, 22016, 41632, 55943, 83264, 111886, 166528, 223772, 333056, 447544, 666112, 895088, 1790176, 3580352, 7160704, 14321408, 28642816]

約数ペア:

[(1, 28642816), (2, 14321408), (4, 7160704), (8, 3580352), (16, 1790176), (32, 895088), (43, 666112), (64, 447544), (86, 333056), (128, 223772), (172, 166528), (256, 111886), (344, 83264), (512, 55943), (688, 41632), (1301, 22016), (1376, 20816), (2602, 11008), (2752, 10408), (5204, 5504)]