285638836

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 612251136

約数和(自身を除く): 326612300

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 53, 62, 98, 106, 124, 196, 212, 217, 371, 434, 742, 868, 887, 1484, 1519, 1643, 1774, 2597, 3038, 3286, 3548, 5194, 6076, 6209, 6572, 10388, 11501, 12418, 23002, 24836, 27497, 43463, 46004, 47011, 54994, 80507, 86926, 94022, 109988, 161014, 173852, 188044, 192479, 322028, 329077, 384958, 658154, 769916, 1316308, 1347353, 1457341, 2303539, 2694706, 2914682, 4607078, 5389412, 5829364, 9214156, 10201387, 20402774, 40805548, 71409709, 142819418, 285638836]

約数ペア:

[(1, 285638836), (2, 142819418), (4, 71409709), (7, 40805548), (14, 20402774), (28, 10201387), (31, 9214156), (49, 5829364), (53, 5389412), (62, 4607078), (98, 2914682), (106, 2694706), (124, 2303539), (196, 1457341), (212, 1347353), (217, 1316308), (371, 769916), (434, 658154), (742, 384958), (868, 329077), (887, 322028), (1484, 192479), (1519, 188044), (1643, 173852), (1774, 161014), (2597, 109988), (3038, 94022), (3286, 86926), (3548, 80507), (5194, 54994), (6076, 47011), (6209, 46004), (6572, 43463), (10388, 27497), (11501, 24836), (12418, 23002)]