251565054

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{853}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 573888000

約数和(自身を除く): 322322946

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 199, 247, 398, 494, 597, 741, 853, 1194, 1482, 1706, 2559, 2587, 3781, 5118, 5174, 7562, 7761, 11089, 11343, 15522, 16207, 22178, 22686, 32414, 33267, 48621, 49153, 66534, 97242, 98306, 147459, 169747, 210691, 294918, 339494, 421382, 509241, 632073, 1018482, 1264146, 2206711, 3225193, 4413422, 6450386, 6620133, 9675579, 13240266, 19351158, 41927509, 83855018, 125782527, 251565054]

約数ペア:

[(1, 251565054), (2, 125782527), (3, 83855018), (6, 41927509), (13, 19351158), (19, 13240266), (26, 9675579), (38, 6620133), (39, 6450386), (57, 4413422), (78, 3225193), (114, 2206711), (199, 1264146), (247, 1018482), (398, 632073), (494, 509241), (597, 421382), (741, 339494), (853, 294918), (1194, 210691), (1482, 169747), (1706, 147459), (2559, 98306), (2587, 97242), (3781, 66534), (5118, 49153), (5174, 48621), (7562, 33267), (7761, 32414), (11089, 22686), (11343, 22178), (15522, 16207)]