81325412

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{6899}}^1$

素因数の和:7331

約数の個数: 24

約数和(自身を含む): 163060800

約数和(自身を除く): 81735388

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 6899, 11788, 13798, 27596, 48293, 96586, 193172, 2904479, 5808958, 11617916, 20331353, 40662706, 81325412]

約数ペア:

[(1, 81325412), (2, 40662706), (4, 20331353), (7, 11617916), (14, 5808958), (28, 2904479), (421, 193172), (842, 96586), (1684, 48293), (2947, 27596), (5894, 13798), (6899, 11788)]