8181628

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 72

約数和(自身を含む): 18992400

約数和(自身を除く): 10810772

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 169, 182, 196, 247, 266, 338, 364, 494, 532, 637, 676, 931, 988, 1183, 1274, 1729, 1862, 2197, 2366, 2548, 3211, 3458, 3724, 4394, 4732, 6422, 6916, 8281, 8788, 12103, 12844, 15379, 16562, 22477, 24206, 30758, 33124, 41743, 44954, 48412, 61516, 83486, 89908, 107653, 157339, 166972, 215306, 292201, 314678, 430612, 584402, 629356, 1168804, 2045407, 4090814, 8181628]

約数ペア:

[(1, 8181628), (2, 4090814), (4, 2045407), (7, 1168804), (13, 629356), (14, 584402), (19, 430612), (26, 314678), (28, 292201), (38, 215306), (49, 166972), (52, 157339), (76, 107653), (91, 89908), (98, 83486), (133, 61516), (169, 48412), (182, 44954), (196, 41743), (247, 33124), (266, 30758), (338, 24206), (364, 22477), (494, 16562), (532, 15379), (637, 12844), (676, 12103), (931, 8788), (988, 8281), (1183, 6916), (1274, 6422), (1729, 4732), (1862, 4394), (2197, 3724), (2366, 3458), (2548, 3211)]