128048004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4001}}^1$

素因数の和:4145

約数の個数: 72

約数和(自身を含む): 372922368

約数和(自身を除く): 244874364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2286, 2667, 3556, 4001, 4572, 5334, 8001, 8002, 10668, 12003, 16002, 16004, 24006, 28007, 32004, 36009, 48012, 56014, 72018, 84021, 112028, 144036, 168042, 252063, 336084, 504126, 508127, 1008252, 1016254, 1524381, 2032508, 3048762, 3556889, 4573143, 6097524, 7113778, 9146286, 10670667, 14227556, 18292572, 21341334, 32012001, 42682668, 64024002, 128048004]

約数ペア:

[(1, 128048004), (2, 64024002), (3, 42682668), (4, 32012001), (6, 21341334), (7, 18292572), (9, 14227556), (12, 10670667), (14, 9146286), (18, 7113778), (21, 6097524), (28, 4573143), (36, 3556889), (42, 3048762), (63, 2032508), (84, 1524381), (126, 1016254), (127, 1008252), (252, 508127), (254, 504126), (381, 336084), (508, 252063), (762, 168042), (889, 144036), (1143, 112028), (1524, 84021), (1778, 72018), (2286, 56014), (2667, 48012), (3556, 36009), (4001, 32004), (4572, 28007), (5334, 24006), (8001, 16004), (8002, 16002), (10668, 12003)]