1287667031

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{12689}}^1$

素因数の和:12831

約数の個数: 24

約数和(自身を含む): 1591326000

約数和(自身を除く): 303658969

約数列:

[1, 7, 19, 49, 109, 133, 763, 931, 2071, 5341, 12689, 14497, 88823, 101479, 241091, 621761, 1383101, 1687637, 9681707, 11813459, 26278919, 67771949, 183952433, 1287667031]

約数ペア:

[(1, 1287667031), (7, 183952433), (19, 67771949), (49, 26278919), (109, 11813459), (133, 9681707), (763, 1687637), (931, 1383101), (2071, 621761), (5341, 241091), (12689, 101479), (14497, 88823)]