2011138576

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{487}}^1\times {\mathrm{1297}}^1$

素因数の和:1991

約数の個数: 40

約数和(自身を含む): 3927228800

約数和(自身を除く): 1916090224

約数列:

[1, 2, 4, 8, 16, 199, 398, 487, 796, 974, 1297, 1592, 1948, 2594, 3184, 3896, 5188, 7792, 10376, 20752, 96913, 193826, 258103, 387652, 516206, 631639, 775304, 1032412, 1263278, 1550608, 2064824, 2526556, 4129648, 5053112, 10106224, 125696161, 251392322, 502784644, 1005569288, 2011138576]

約数ペア:

[(1, 2011138576), (2, 1005569288), (4, 502784644), (8, 251392322), (16, 125696161), (199, 10106224), (398, 5053112), (487, 4129648), (796, 2526556), (974, 2064824), (1297, 1550608), (1592, 1263278), (1948, 1032412), (2594, 775304), (3184, 631639), (3896, 516206), (5188, 387652), (7792, 258103), (10376, 193826), (20752, 96913)]