81821824

素因数分解:

$2^7\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1797

約数の個数: 64

約数和(自身を含む): 189915840

約数和(自身を除く): 108094016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 371, 424, 448, 742, 848, 896, 1484, 1696, 1723, 2968, 3392, 3446, 5936, 6784, 6892, 11872, 12061, 13784, 23744, 24122, 27568, 47488, 48244, 55136, 91319, 96488, 110272, 182638, 192976, 220544, 365276, 385952, 639233, 730552, 771904, 1278466, 1461104, 1543808, 2556932, 2922208, 5113864, 5844416, 10227728, 11688832, 20455456, 40910912, 81821824]

約数ペア:

[(1, 81821824), (2, 40910912), (4, 20455456), (7, 11688832), (8, 10227728), (14, 5844416), (16, 5113864), (28, 2922208), (32, 2556932), (53, 1543808), (56, 1461104), (64, 1278466), (106, 771904), (112, 730552), (128, 639233), (212, 385952), (224, 365276), (371, 220544), (424, 192976), (448, 182638), (742, 110272), (848, 96488), (896, 91319), (1484, 55136), (1696, 48244), (1723, 47488), (2968, 27568), (3392, 24122), (3446, 23744), (5936, 13784), (6784, 12061), (6892, 11872)]