221520498448

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{189657961}}^1$

素因数の和:189658042

約数の個数: 20

約数和(自身を含む): 435075364828

約数和(自身を除く): 213554866380

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 189657961, 379315922, 758631844, 1517263688, 3034527376, 13845031153, 27690062306, 55380124612, 110760249224, 221520498448]

約数ペア:

[(1, 221520498448), (2, 110760249224), (4, 55380124612), (8, 27690062306), (16, 13845031153), (73, 3034527376), (146, 1517263688), (292, 758631844), (584, 379315922), (1168, 189657961)]