311990276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 600230400

約数和(自身を除く): 288240124

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 173, 316, 346, 439, 692, 878, 1027, 1756, 2054, 2249, 4108, 4498, 5707, 8996, 11414, 13667, 22828, 27334, 34681, 54668, 69362, 75947, 138724, 151894, 177671, 303788, 355342, 450853, 710684, 901706, 987311, 1803412, 1974622, 3949244, 5999813, 11999626, 23999252, 77997569, 155995138, 311990276]

約数ペア:

[(1, 311990276), (2, 155995138), (4, 77997569), (13, 23999252), (26, 11999626), (52, 5999813), (79, 3949244), (158, 1974622), (173, 1803412), (316, 987311), (346, 901706), (439, 710684), (692, 450853), (878, 355342), (1027, 303788), (1756, 177671), (2054, 151894), (2249, 138724), (4108, 75947), (4498, 69362), (5707, 54668), (8996, 34681), (11414, 27334), (13667, 22828)]