81581568

素因数分解:

$2^9\times 3^1\times {\mathrm{53113}}^1$

素因数の和:53134

約数の個数: 40

約数和(自身を含む): 217342488

約数和(自身を除く): 135760920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 53113, 106226, 159339, 212452, 318678, 424904, 637356, 849808, 1274712, 1699616, 2549424, 3399232, 5098848, 6798464, 10197696, 13596928, 20395392, 27193856, 40790784, 81581568]

約数ペア:

[(1, 81581568), (2, 40790784), (3, 27193856), (4, 20395392), (6, 13596928), (8, 10197696), (12, 6798464), (16, 5098848), (24, 3399232), (32, 2549424), (48, 1699616), (64, 1274712), (96, 849808), (128, 637356), (192, 424904), (256, 318678), (384, 212452), (512, 159339), (768, 106226), (1536, 53113)]