81772768

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 108

約数和(自身を含む): 206324496

約数和(自身を除く): 124551728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 224, 242, 308, 352, 392, 431, 484, 539, 616, 784, 847, 862, 968, 1078, 1232, 1568, 1694, 1724, 1936, 2156, 2464, 3017, 3388, 3448, 3872, 4312, 4741, 5929, 6034, 6776, 6896, 8624, 9482, 11858, 12068, 13552, 13792, 17248, 18964, 21119, 23716, 24136, 27104, 33187, 37928, 42238, 47432, 48272, 52151, 66374, 75856, 84476, 94864, 96544, 104302, 132748, 151712, 168952, 189728, 208604, 232309, 265496, 337904, 365057, 417208, 464618, 530992, 675808, 730114, 834416, 929236, 1061984, 1460228, 1668832, 1858472, 2555399, 2920456, 3716944, 5110798, 5840912, 7433888, 10221596, 11681824, 20443192, 40886384, 81772768]

約数ペア:

[(1, 81772768), (2, 40886384), (4, 20443192), (7, 11681824), (8, 10221596), (11, 7433888), (14, 5840912), (16, 5110798), (22, 3716944), (28, 2920456), (32, 2555399), (44, 1858472), (49, 1668832), (56, 1460228), (77, 1061984), (88, 929236), (98, 834416), (112, 730114), (121, 675808), (154, 530992), (176, 464618), (196, 417208), (224, 365057), (242, 337904), (308, 265496), (352, 232309), (392, 208604), (431, 189728), (484, 168952), (539, 151712), (616, 132748), (784, 104302), (847, 96544), (862, 94864), (968, 84476), (1078, 75856), (1232, 66374), (1568, 52151), (1694, 48272), (1724, 47432), (1936, 42238), (2156, 37928), (2464, 33187), (3017, 27104), (3388, 24136), (3448, 23716), (3872, 21119), (4312, 18964), (4741, 17248), (5929, 13792), (6034, 13552), (6776, 12068), (6896, 11858), (8624, 9482)]