78640466

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{7757}}^1$

素因数の和:7933

約数の個数: 16

約数和(自身を含む): 122048856

約数和(自身を除く): 43408390

約数列:

[1, 2, 37, 74, 137, 274, 5069, 7757, 10138, 15514, 287009, 574018, 1062709, 2125418, 39320233, 78640466]

約数ペア:

[(1, 78640466), (2, 39320233), (37, 2125418), (74, 1062709), (137, 574018), (274, 287009), (5069, 15514), (7757, 10138)]