256528072

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{78401}}^1$

素因数の和:78816

約数の個数: 16

約数和(自身を含む): 482172300

約数和(自身を除く): 225644228

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 78401, 156802, 313604, 627208, 32066009, 64132018, 128264036, 256528072]

約数ペア:

[(1, 256528072), (2, 128264036), (4, 64132018), (8, 32066009), (409, 627208), (818, 313604), (1636, 156802), (3272, 78401)]