81188866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{9203}}^1$

素因数の和:9617

約数の個数: 16

約数和(自身を含む): 133200288

約数和(自身を除く): 52011422

約数列:

[1, 2, 11, 22, 401, 802, 4411, 8822, 9203, 18406, 101233, 202466, 3690403, 7380806, 40594433, 81188866]

約数ペア:

[(1, 81188866), (2, 40594433), (11, 7380806), (22, 3690403), (401, 202466), (802, 101233), (4411, 18406), (8822, 9203)]