31061884

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 54

約数和(自身を含む): 66888360

約数和(自身を除く): 35826476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 361, 439, 532, 722, 878, 931, 1444, 1756, 1862, 2527, 3073, 3724, 5054, 6146, 8341, 10108, 12292, 16682, 17689, 21511, 33364, 35378, 43022, 58387, 70756, 86044, 116774, 158479, 233548, 316958, 408709, 633916, 817418, 1109353, 1634836, 2218706, 4437412, 7765471, 15530942, 31061884]

約数ペア:

[(1, 31061884), (2, 15530942), (4, 7765471), (7, 4437412), (14, 2218706), (19, 1634836), (28, 1109353), (38, 817418), (49, 633916), (76, 408709), (98, 316958), (133, 233548), (196, 158479), (266, 116774), (361, 86044), (439, 70756), (532, 58387), (722, 43022), (878, 35378), (931, 33364), (1444, 21511), (1756, 17689), (1862, 16682), (2527, 12292), (3073, 10108), (3724, 8341), (5054, 6146)]