870899071

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 1056964608

約数和(自身を除く): 186065537

約数列:

[1, 7, 23, 127, 161, 191, 223, 889, 1337, 1561, 2921, 4393, 5129, 20447, 24257, 28321, 30751, 35903, 42593, 169799, 198247, 298151, 557911, 651383, 979639, 3905377, 4559681, 5409311, 6857473, 37865177, 124414153, 870899071]

約数ペア:

[(1, 870899071), (7, 124414153), (23, 37865177), (127, 6857473), (161, 5409311), (191, 4559681), (223, 3905377), (889, 979639), (1337, 651383), (1561, 557911), (2921, 298151), (4393, 198247), (5129, 169799), (20447, 42593), (24257, 35903), (28321, 30751)]