66628556

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{41539}}^1$

素因数の和:41944

約数の個数: 12

約数和(自身を含む): 116893560

約数和(自身を除く): 50265004

約数列:

[1, 2, 4, 401, 802, 1604, 41539, 83078, 166156, 16657139, 33314278, 66628556]

約数ペア:

[(1, 66628556), (2, 33314278), (4, 16657139), (401, 166156), (802, 83078), (1604, 41539)]