71997884

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^3$

素因数の和:422

約数の個数: 24

約数和(自身を含む): 145054560

約数和(自身を除く): 73056676

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 18769, 37538, 75076, 131383, 262766, 525532, 2571353, 5142706, 10285412, 17999471, 35998942, 71997884]

約数ペア:

[(1, 71997884), (2, 35998942), (4, 17999471), (7, 10285412), (14, 5142706), (28, 2571353), (137, 525532), (274, 262766), (548, 131383), (959, 75076), (1918, 37538), (3836, 18769)]