638861406

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1\times {\mathrm{1663}}^1$

素因数の和:3200

約数の個数: 32

約数和(自身を含む): 1309102080

約数和(自身を除く): 670240674

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 1489, 1663, 2978, 3326, 4467, 4989, 8934, 9978, 64027, 71509, 128054, 143018, 192081, 214527, 384162, 429054, 2476207, 4952414, 7428621, 14857242, 106476901, 212953802, 319430703, 638861406]

約数ペア:

[(1, 638861406), (2, 319430703), (3, 212953802), (6, 106476901), (43, 14857242), (86, 7428621), (129, 4952414), (258, 2476207), (1489, 429054), (1663, 384162), (2978, 214527), (3326, 192081), (4467, 143018), (4989, 128054), (8934, 71509), (9978, 64027)]