289300765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 386104320

約数和(自身を除く): 96803555

約数列:

[1, 5, 13, 53, 65, 79, 265, 395, 689, 1027, 1063, 3445, 4187, 5135, 5315, 13819, 20935, 54431, 56339, 69095, 83977, 272155, 281695, 419885, 732407, 1091701, 3662035, 4450781, 5458505, 22253905, 57860153, 289300765]

約数ペア:

[(1, 289300765), (5, 57860153), (13, 22253905), (53, 5458505), (65, 4450781), (79, 3662035), (265, 1091701), (395, 732407), (689, 419885), (1027, 281695), (1063, 272155), (3445, 83977), (4187, 69095), (5135, 56339), (5315, 54431), (13819, 20935)]