253123956

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{619}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 660339680

約数和(自身を除く): 407215724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 307, 333, 444, 614, 619, 666, 921, 1228, 1238, 1332, 1842, 1857, 2476, 2763, 3684, 3714, 5526, 5571, 7428, 11052, 11142, 11359, 22284, 22718, 22903, 34077, 45436, 45806, 68154, 68709, 91612, 102231, 136308, 137418, 190033, 204462, 206127, 274836, 380066, 408924, 412254, 570099, 760132, 824508, 1140198, 1710297, 2280396, 3420594, 6841188, 7031221, 14062442, 21093663, 28124884, 42187326, 63280989, 84374652, 126561978, 253123956]

約数ペア:

[(1, 253123956), (2, 126561978), (3, 84374652), (4, 63280989), (6, 42187326), (9, 28124884), (12, 21093663), (18, 14062442), (36, 7031221), (37, 6841188), (74, 3420594), (111, 2280396), (148, 1710297), (222, 1140198), (307, 824508), (333, 760132), (444, 570099), (614, 412254), (619, 408924), (666, 380066), (921, 274836), (1228, 206127), (1238, 204462), (1332, 190033), (1842, 137418), (1857, 136308), (2476, 102231), (2763, 91612), (3684, 68709), (3714, 68154), (5526, 45806), (5571, 45436), (7428, 34077), (11052, 22903), (11142, 22718), (11359, 22284)]