131276072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2687}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 124191448

約数列:

[1, 2, 4, 8, 31, 62, 124, 197, 248, 394, 788, 1576, 2687, 5374, 6107, 10748, 12214, 21496, 24428, 48856, 83297, 166594, 333188, 529339, 666376, 1058678, 2117356, 4234712, 16409509, 32819018, 65638036, 131276072]

約数ペア:

[(1, 131276072), (2, 65638036), (4, 32819018), (8, 16409509), (31, 4234712), (62, 2117356), (124, 1058678), (197, 666376), (248, 529339), (394, 333188), (788, 166594), (1576, 83297), (2687, 48856), (5374, 24428), (6107, 21496), (10748, 12214)]