71311925

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 91172736

約数和(自身を除く): 19860811

約数列:

[1, 5, 25, 47, 137, 235, 443, 685, 1175, 2215, 3425, 6439, 11075, 20821, 32195, 60691, 104105, 160975, 303455, 520525, 1517275, 2852477, 14262385, 71311925]

約数ペア:

[(1, 71311925), (5, 14262385), (25, 2852477), (47, 1517275), (137, 520525), (235, 303455), (443, 160975), (685, 104105), (1175, 60691), (2215, 32195), (3425, 20821), (6439, 11075)]