31981528

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{25463}}^1$

素因数の和:25626

約数の個数: 16

約数和(自身を含む): 60349680

約数和(自身を除く): 28368152

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 25463, 50926, 101852, 203704, 3997691, 7995382, 15990764, 31981528]

約数ペア:

[(1, 31981528), (2, 15990764), (4, 7995382), (8, 3997691), (157, 203704), (314, 101852), (628, 50926), (1256, 25463)]