81703552

素因数分解:

$2^7\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1449

約数の個数: 64

約数和(自身を含む): 188936640

約数和(自身を除く): 107233088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 268, 448, 469, 536, 896, 938, 1072, 1361, 1876, 2144, 2722, 3752, 4288, 5444, 7504, 8576, 9527, 10888, 15008, 19054, 21776, 30016, 38108, 43552, 60032, 76216, 87104, 91187, 152432, 174208, 182374, 304864, 364748, 609728, 638309, 729496, 1219456, 1276618, 1458992, 2553236, 2917984, 5106472, 5835968, 10212944, 11671936, 20425888, 40851776, 81703552]

約数ペア:

[(1, 81703552), (2, 40851776), (4, 20425888), (7, 11671936), (8, 10212944), (14, 5835968), (16, 5106472), (28, 2917984), (32, 2553236), (56, 1458992), (64, 1276618), (67, 1219456), (112, 729496), (128, 638309), (134, 609728), (224, 364748), (268, 304864), (448, 182374), (469, 174208), (536, 152432), (896, 91187), (938, 87104), (1072, 76216), (1361, 60032), (1876, 43552), (2144, 38108), (2722, 30016), (3752, 21776), (4288, 19054), (5444, 15008), (7504, 10888), (8576, 9527)]