281188891156

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{2007517}}^1$

素因数の和:2007656

約数の個数: 36

約数和(自身を含む): 524696949588

約数和(自身を除く): 243508058432

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 361, 388, 722, 1444, 1843, 3686, 7372, 35017, 70034, 140068, 2007517, 4015034, 8030068, 38142823, 76285646, 152571292, 194729149, 389458298, 724713637, 778916596, 1449427274, 2898854548, 3699853831, 7399707662, 14799415324, 70297222789, 140594445578, 281188891156]

約数ペア:

[(1, 281188891156), (2, 140594445578), (4, 70297222789), (19, 14799415324), (38, 7399707662), (76, 3699853831), (97, 2898854548), (194, 1449427274), (361, 778916596), (388, 724713637), (722, 389458298), (1444, 194729149), (1843, 152571292), (3686, 76285646), (7372, 38142823), (35017, 8030068), (70034, 4015034), (140068, 2007517)]