338629681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 390378744

約数和(自身を除く): 51749063

約数列:

[1, 13, 17, 173, 221, 289, 521, 2249, 2941, 3757, 6773, 8857, 38233, 49997, 90133, 115141, 150569, 649961, 1171729, 1532261, 1957397, 19919393, 26048437, 338629681]

約数ペア:

[(1, 338629681), (13, 26048437), (17, 19919393), (173, 1957397), (221, 1532261), (289, 1171729), (521, 649961), (2249, 150569), (2941, 115141), (3757, 90133), (6773, 49997), (8857, 38233)]