210988556

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 372573600

約数和(自身を除く): 161585044

約数列:

[1, 2, 4, 199, 398, 401, 661, 796, 802, 1322, 1604, 2644, 79799, 131539, 159598, 263078, 265061, 319196, 526156, 530122, 1060244, 52747139, 105494278, 210988556]

約数ペア:

[(1, 210988556), (2, 105494278), (4, 52747139), (199, 1060244), (398, 530122), (401, 526156), (661, 319196), (796, 265061), (802, 263078), (1322, 159598), (1604, 131539), (2644, 79799)]