281567132

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1789}}^1$

素因数の和:1891

約数の個数: 72

約数和(自身を含む): 634218480

約数和(自身を除く): 352651348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 73, 77, 98, 146, 154, 196, 292, 308, 511, 539, 803, 1022, 1078, 1606, 1789, 2044, 2156, 3212, 3577, 3578, 5621, 7154, 7156, 11242, 12523, 14308, 19679, 22484, 25046, 39347, 39358, 50092, 78694, 78716, 87661, 130597, 137753, 157388, 175322, 261194, 275506, 350644, 522388, 551012, 914179, 964271, 1436567, 1828358, 1928542, 2873134, 3656716, 3857084, 5746268, 6399253, 10055969, 12798506, 20111938, 25597012, 40223876, 70391783, 140783566, 281567132]

約数ペア:

[(1, 281567132), (2, 140783566), (4, 70391783), (7, 40223876), (11, 25597012), (14, 20111938), (22, 12798506), (28, 10055969), (44, 6399253), (49, 5746268), (73, 3857084), (77, 3656716), (98, 2873134), (146, 1928542), (154, 1828358), (196, 1436567), (292, 964271), (308, 914179), (511, 551012), (539, 522388), (803, 350644), (1022, 275506), (1078, 261194), (1606, 175322), (1789, 157388), (2044, 137753), (2156, 130597), (3212, 87661), (3577, 78716), (3578, 78694), (5621, 50092), (7154, 39358), (7156, 39347), (11242, 25046), (12523, 22484), (14308, 19679)]