81335296

素因数分解:

$2^{10}\times 7^2\times {\mathrm{1621}}^1$

素因数の和:1655

約数の個数: 66

約数和(自身を含む): 189253338

約数和(自身を除く): 107918042

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1621, 1792, 3136, 3242, 3584, 6272, 6484, 7168, 11347, 12544, 12968, 22694, 25088, 25936, 45388, 50176, 51872, 79429, 90776, 103744, 158858, 181552, 207488, 317716, 363104, 414976, 635432, 726208, 829952, 1270864, 1452416, 1659904, 2541728, 2904832, 5083456, 5809664, 10166912, 11619328, 20333824, 40667648, 81335296]

約数ペア:

[(1, 81335296), (2, 40667648), (4, 20333824), (7, 11619328), (8, 10166912), (14, 5809664), (16, 5083456), (28, 2904832), (32, 2541728), (49, 1659904), (56, 1452416), (64, 1270864), (98, 829952), (112, 726208), (128, 635432), (196, 414976), (224, 363104), (256, 317716), (392, 207488), (448, 181552), (512, 158858), (784, 103744), (896, 90776), (1024, 79429), (1568, 51872), (1621, 50176), (1792, 45388), (3136, 25936), (3242, 25088), (3584, 22694), (6272, 12968), (6484, 12544), (7168, 11347)]