1669969904

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{255191}}^1$

素因数の和:255608

約数の個数: 20

約数和(自身を含む): 3243490320

約数和(自身を除く): 1573520416

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 255191, 510382, 1020764, 2041528, 4083056, 104373119, 208746238, 417492476, 834984952, 1669969904]

約数ペア:

[(1, 1669969904), (2, 834984952), (4, 417492476), (8, 208746238), (16, 104373119), (409, 4083056), (818, 2041528), (1636, 1020764), (3272, 510382), (6544, 255191)]