129378152

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{39541}}^1$

素因数の和:39956

約数の個数: 16

約数和(自身を含む): 243183300

約数和(自身を除く): 113805148

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 39541, 79082, 158164, 316328, 16172269, 32344538, 64689076, 129378152]

約数ペア:

[(1, 129378152), (2, 64689076), (4, 32344538), (8, 16172269), (409, 316328), (818, 158164), (1636, 79082), (3272, 39541)]