159440936

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{642907}}^1$

素因数の和:642944

約数の個数: 16

約数和(自身を含む): 308595840

約数和(自身を除く): 149154904

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 642907, 1285814, 2571628, 5143256, 19930117, 39860234, 79720468, 159440936]

約数ペア:

[(1, 159440936), (2, 79720468), (4, 39860234), (8, 19930117), (31, 5143256), (62, 2571628), (124, 1285814), (248, 642907)]