81461528

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{216653}}^1$

素因数の和:216706

約数の個数: 16

約数和(自身を含む): 155990880

約数和(自身を除く): 74529352

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 216653, 433306, 866612, 1733224, 10182691, 20365382, 40730764, 81461528]

約数ペア:

[(1, 81461528), (2, 40730764), (4, 20365382), (8, 10182691), (47, 1733224), (94, 866612), (188, 433306), (376, 216653)]