2155568

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:884

約数の個数: 20

約数和(自身を含む): 4203600

約数和(自身を除く): 2048032

約数列:

[1, 2, 4, 8, 16, 199, 398, 677, 796, 1354, 1592, 2708, 3184, 5416, 10832, 134723, 269446, 538892, 1077784, 2155568]

約数ペア:

[(1, 2155568), (2, 1077784), (4, 538892), (8, 269446), (16, 134723), (199, 10832), (398, 5416), (677, 3184), (796, 2708), (1354, 1592)]