520020884

素因数分解:

$2^2\times {\mathrm{421}}^1\times {\mathrm{308801}}^1$

素因数の和:309226

約数の個数: 12

約数和(自身を含む): 912201108

約数和(自身を除く): 392180224

約数列:

[1, 2, 4, 421, 842, 1684, 308801, 617602, 1235204, 130005221, 260010442, 520020884]

約数ペア:

[(1, 520020884), (2, 260010442), (4, 130005221), (421, 1235204), (842, 617602), (1684, 308801)]