81587408

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9221}}^1$

素因数の和:9315

約数の個数: 40

約数和(自身を含む): 182964480

約数和(自身を除く): 101377072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 9221, 18442, 36884, 64547, 73768, 129094, 147536, 258188, 516376, 728459, 1032752, 1456918, 2913836, 5099213, 5827672, 10198426, 11655344, 20396852, 40793704, 81587408]

約数ペア:

[(1, 81587408), (2, 40793704), (4, 20396852), (7, 11655344), (8, 10198426), (14, 5827672), (16, 5099213), (28, 2913836), (56, 1456918), (79, 1032752), (112, 728459), (158, 516376), (316, 258188), (553, 147536), (632, 129094), (1106, 73768), (1264, 64547), (2212, 36884), (4424, 18442), (8848, 9221)]