81954448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3797}}^1$

素因数の和:3895

約数の個数: 40

約数和(自身を含む): 169542720

約数和(自身を除く): 87588272

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 2698, 3797, 5396, 7594, 10792, 15188, 21584, 30376, 60752, 72143, 144286, 269587, 288572, 539174, 577144, 1078348, 1154288, 2156696, 4313392, 5122153, 10244306, 20488612, 40977224, 81954448]

約数ペア:

[(1, 81954448), (2, 40977224), (4, 20488612), (8, 10244306), (16, 5122153), (19, 4313392), (38, 2156696), (71, 1154288), (76, 1078348), (142, 577144), (152, 539174), (284, 288572), (304, 269587), (568, 144286), (1136, 72143), (1349, 60752), (2698, 30376), (3797, 21584), (5396, 15188), (7594, 10792)]