31139148

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 76285440

約数和(自身を除く): 45146292

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 257, 276, 439, 514, 771, 878, 1028, 1317, 1542, 1756, 2634, 3084, 5268, 5911, 10097, 11822, 17733, 20194, 23644, 30291, 35466, 40388, 60582, 70932, 112823, 121164, 225646, 338469, 451292, 676938, 1353876, 2594929, 5189858, 7784787, 10379716, 15569574, 31139148]

約数ペア:

[(1, 31139148), (2, 15569574), (3, 10379716), (4, 7784787), (6, 5189858), (12, 2594929), (23, 1353876), (46, 676938), (69, 451292), (92, 338469), (138, 225646), (257, 121164), (276, 112823), (439, 70932), (514, 60582), (771, 40388), (878, 35466), (1028, 30291), (1317, 23644), (1542, 20194), (1756, 17733), (2634, 11822), (3084, 10097), (5268, 5911)]