81419716

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{6907}}^1$

素因数の和:7339

約数の個数: 24

約数和(自身を含む): 163249856

約数和(自身を除く): 81830140

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 6907, 11788, 13814, 27628, 48349, 96698, 193396, 2907847, 5815694, 11631388, 20354929, 40709858, 81419716]

約数ペア:

[(1, 81419716), (2, 40709858), (4, 20354929), (7, 11631388), (14, 5815694), (28, 2907847), (421, 193396), (842, 96698), (1684, 48349), (2947, 27628), (5894, 13814), (6907, 11788)]