128481738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 335978496

約数和(自身を除く): 207496758

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 47, 61, 66, 77, 94, 97, 122, 141, 154, 183, 194, 231, 282, 291, 329, 366, 427, 462, 517, 582, 658, 671, 679, 854, 987, 1034, 1067, 1281, 1342, 1358, 1551, 1974, 2013, 2037, 2134, 2562, 2867, 3102, 3201, 3619, 4026, 4074, 4559, 4697, 5734, 5917, 6402, 7238, 7469, 8601, 9118, 9394, 10857, 11834, 13677, 14091, 14938, 17202, 17751, 20069, 21714, 22407, 27354, 28182, 31537, 31913, 35502, 40138, 41419, 44814, 50149, 60207, 63074, 63826, 65087, 82838, 94611, 95739, 100298, 120414, 124257, 130174, 150447, 189222, 191478, 195261, 220759, 248514, 278099, 300894, 351043, 390522, 441518, 455609, 556198, 662277, 702086, 834297, 911218, 1053129, 1324554, 1366827, 1668594, 1946693, 2106258, 2733654, 3059089, 3893386, 5840079, 6118178, 9177267, 11680158, 18354534, 21413623, 42827246, 64240869, 128481738]

約数ペア:

[(1, 128481738), (2, 64240869), (3, 42827246), (6, 21413623), (7, 18354534), (11, 11680158), (14, 9177267), (21, 6118178), (22, 5840079), (33, 3893386), (42, 3059089), (47, 2733654), (61, 2106258), (66, 1946693), (77, 1668594), (94, 1366827), (97, 1324554), (122, 1053129), (141, 911218), (154, 834297), (183, 702086), (194, 662277), (231, 556198), (282, 455609), (291, 441518), (329, 390522), (366, 351043), (427, 300894), (462, 278099), (517, 248514), (582, 220759), (658, 195261), (671, 191478), (679, 189222), (854, 150447), (987, 130174), (1034, 124257), (1067, 120414), (1281, 100298), (1342, 95739), (1358, 94611), (1551, 82838), (1974, 65087), (2013, 63826), (2037, 63074), (2134, 60207), (2562, 50149), (2867, 44814), (3102, 41419), (3201, 40138), (3619, 35502), (4026, 31913), (4074, 31537), (4559, 28182), (4697, 27354), (5734, 22407), (5917, 21714), (6402, 20069), (7238, 17751), (7469, 17202), (8601, 14938), (9118, 14091), (9394, 13677), (10857, 11834)]