28943964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{347}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 84110208

約数和(自身を除く): 55166244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 331, 347, 662, 694, 993, 1041, 1324, 1388, 1986, 2082, 2317, 2429, 2979, 3123, 3972, 4164, 4634, 4858, 5958, 6246, 6951, 7287, 9268, 9716, 11916, 12492, 13902, 14574, 20853, 21861, 27804, 29148, 41706, 43722, 83412, 87444, 114857, 229714, 344571, 459428, 689142, 803999, 1033713, 1378284, 1607998, 2067426, 2411997, 3215996, 4134852, 4823994, 7235991, 9647988, 14471982, 28943964]

約数ペア:

[(1, 28943964), (2, 14471982), (3, 9647988), (4, 7235991), (6, 4823994), (7, 4134852), (9, 3215996), (12, 2411997), (14, 2067426), (18, 1607998), (21, 1378284), (28, 1033713), (36, 803999), (42, 689142), (63, 459428), (84, 344571), (126, 229714), (252, 114857), (331, 87444), (347, 83412), (662, 43722), (694, 41706), (993, 29148), (1041, 27804), (1324, 21861), (1388, 20853), (1986, 14574), (2082, 13902), (2317, 12492), (2429, 11916), (2979, 9716), (3123, 9268), (3972, 7287), (4164, 6951), (4634, 6246), (4858, 5958)]