81511808

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3137}}^1$

素因数の和:3187

約数の個数: 64

約数和(自身を含む): 192045600

約数和(自身を除く): 110533792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 812, 896, 928, 1624, 1856, 3137, 3248, 3712, 6274, 6496, 12548, 12992, 21959, 25096, 25984, 43918, 50192, 87836, 90973, 100384, 175672, 181946, 200768, 351344, 363892, 401536, 636811, 702688, 727784, 1273622, 1405376, 1455568, 2547244, 2810752, 2911136, 5094488, 5822272, 10188976, 11644544, 20377952, 40755904, 81511808]

約数ペア:

[(1, 81511808), (2, 40755904), (4, 20377952), (7, 11644544), (8, 10188976), (14, 5822272), (16, 5094488), (28, 2911136), (29, 2810752), (32, 2547244), (56, 1455568), (58, 1405376), (64, 1273622), (112, 727784), (116, 702688), (128, 636811), (203, 401536), (224, 363892), (232, 351344), (406, 200768), (448, 181946), (464, 175672), (812, 100384), (896, 90973), (928, 87836), (1624, 50192), (1856, 43918), (3137, 25984), (3248, 25096), (3712, 21959), (6274, 12992), (6496, 12548)]