155771392

素因数分解:

$2^9\times 7^3\times {\mathrm{887}}^1$

素因数の和:926

約数の個数: 80

約数和(自身を含む): 363369600

約数和(自身を除く): 207598208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 887, 896, 1372, 1568, 1774, 1792, 2744, 3136, 3548, 3584, 5488, 6209, 6272, 7096, 10976, 12418, 12544, 14192, 21952, 24836, 25088, 28384, 43463, 43904, 49672, 56768, 86926, 87808, 99344, 113536, 173852, 175616, 198688, 227072, 304241, 347704, 397376, 454144, 608482, 695408, 794752, 1216964, 1390816, 1589504, 2433928, 2781632, 3179008, 4867856, 5563264, 9735712, 11126528, 19471424, 22253056, 38942848, 77885696, 155771392]

約数ペア:

[(1, 155771392), (2, 77885696), (4, 38942848), (7, 22253056), (8, 19471424), (14, 11126528), (16, 9735712), (28, 5563264), (32, 4867856), (49, 3179008), (56, 2781632), (64, 2433928), (98, 1589504), (112, 1390816), (128, 1216964), (196, 794752), (224, 695408), (256, 608482), (343, 454144), (392, 397376), (448, 347704), (512, 304241), (686, 227072), (784, 198688), (887, 175616), (896, 173852), (1372, 113536), (1568, 99344), (1774, 87808), (1792, 86926), (2744, 56768), (3136, 49672), (3548, 43904), (3584, 43463), (5488, 28384), (6209, 25088), (6272, 24836), (7096, 21952), (10976, 14192), (12418, 12544)]