28939428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4993}}^1$

素因数の和:5033

約数の個数: 72

約数和(自身を含む): 87255168

約数和(自身を除く): 58315740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 4993, 5796, 9986, 14979, 19972, 29958, 34951, 44937, 59916, 69902, 89874, 104853, 114839, 139804, 179748, 209706, 229678, 314559, 344517, 419412, 459356, 629118, 689034, 803873, 1033551, 1258236, 1378068, 1607746, 2067102, 2411619, 3215492, 4134204, 4823238, 7234857, 9646476, 14469714, 28939428]

約数ペア:

[(1, 28939428), (2, 14469714), (3, 9646476), (4, 7234857), (6, 4823238), (7, 4134204), (9, 3215492), (12, 2411619), (14, 2067102), (18, 1607746), (21, 1378068), (23, 1258236), (28, 1033551), (36, 803873), (42, 689034), (46, 629118), (63, 459356), (69, 419412), (84, 344517), (92, 314559), (126, 229678), (138, 209706), (161, 179748), (207, 139804), (252, 114839), (276, 104853), (322, 89874), (414, 69902), (483, 59916), (644, 44937), (828, 34951), (966, 29958), (1449, 19972), (1932, 14979), (2898, 9986), (4993, 5796)]