66745528

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{20399}}^1$

素因数の和:20814

約数の個数: 16

約数和(自身を含む): 125460000

約数和(自身を除く): 58714472

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 20399, 40798, 81596, 163192, 8343191, 16686382, 33372764, 66745528]

約数ペア:

[(1, 66745528), (2, 33372764), (4, 16686382), (8, 8343191), (409, 163192), (818, 81596), (1636, 40798), (3272, 20399)]