28390152

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 81515520

約数和(自身を除く): 53125368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 347, 487, 694, 974, 1041, 1388, 1461, 1948, 2082, 2429, 2776, 2922, 3409, 3896, 4164, 4858, 5844, 6818, 7287, 8328, 9716, 10227, 11688, 13636, 14574, 19432, 20454, 27272, 29148, 40908, 58296, 81816, 168989, 337978, 506967, 675956, 1013934, 1182923, 1351912, 2027868, 2365846, 3548769, 4055736, 4731692, 7097538, 9463384, 14195076, 28390152]

約数ペア:

[(1, 28390152), (2, 14195076), (3, 9463384), (4, 7097538), (6, 4731692), (7, 4055736), (8, 3548769), (12, 2365846), (14, 2027868), (21, 1351912), (24, 1182923), (28, 1013934), (42, 675956), (56, 506967), (84, 337978), (168, 168989), (347, 81816), (487, 58296), (694, 40908), (974, 29148), (1041, 27272), (1388, 20454), (1461, 19432), (1948, 14574), (2082, 13636), (2429, 11688), (2776, 10227), (2922, 9716), (3409, 8328), (3896, 7287), (4164, 6818), (4858, 5844)]