81753668

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^2\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 151201260

約数和(自身を除く): 69447592

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 157, 268, 314, 628, 1943, 3886, 4489, 4553, 7772, 8978, 9106, 10519, 17956, 18212, 21038, 42076, 130181, 260362, 305051, 520724, 610102, 704773, 1220204, 1409546, 2819092, 20438417, 40876834, 81753668]

約数ペア:

[(1, 81753668), (2, 40876834), (4, 20438417), (29, 2819092), (58, 1409546), (67, 1220204), (116, 704773), (134, 610102), (157, 520724), (268, 305051), (314, 260362), (628, 130181), (1943, 42076), (3886, 21038), (4489, 18212), (4553, 17956), (7772, 10519), (8978, 9106)]