81362825

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 103305888

約数和(自身を除く): 21943063

約数列:

[1, 5, 25, 83, 113, 347, 415, 565, 1735, 2075, 2825, 8675, 9379, 28801, 39211, 46895, 144005, 196055, 234475, 720025, 980275, 3254513, 16272565, 81362825]

約数ペア:

[(1, 81362825), (5, 16272565), (25, 3254513), (83, 980275), (113, 720025), (347, 234475), (415, 196055), (565, 144005), (1735, 46895), (2075, 39211), (2825, 28801), (8675, 9379)]