28914424

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 68624640

約数和(自身を除く): 39710216

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 73, 77, 88, 146, 154, 292, 308, 511, 584, 616, 643, 803, 1022, 1286, 1606, 2044, 2572, 3212, 4088, 4501, 5144, 5621, 6424, 7073, 9002, 11242, 14146, 18004, 22484, 28292, 36008, 44968, 46939, 49511, 56584, 93878, 99022, 187756, 198044, 328573, 375512, 396088, 516329, 657146, 1032658, 1314292, 2065316, 2628584, 3614303, 4130632, 7228606, 14457212, 28914424]

約数ペア:

[(1, 28914424), (2, 14457212), (4, 7228606), (7, 4130632), (8, 3614303), (11, 2628584), (14, 2065316), (22, 1314292), (28, 1032658), (44, 657146), (56, 516329), (73, 396088), (77, 375512), (88, 328573), (146, 198044), (154, 187756), (292, 99022), (308, 93878), (511, 56584), (584, 49511), (616, 46939), (643, 44968), (803, 36008), (1022, 28292), (1286, 22484), (1606, 18004), (2044, 14146), (2572, 11242), (3212, 9002), (4088, 7073), (4501, 6424), (5144, 5621)]