1555456

素因数分解:

$2^{10}\times 7^2\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 66

約数和(自身を含む): 3733728

約数和(自身を除く): 2178272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 256, 392, 434, 448, 496, 512, 784, 868, 896, 992, 1024, 1519, 1568, 1736, 1792, 1984, 3038, 3136, 3472, 3584, 3968, 6076, 6272, 6944, 7168, 7936, 12152, 12544, 13888, 15872, 24304, 25088, 27776, 31744, 48608, 50176, 55552, 97216, 111104, 194432, 222208, 388864, 777728, 1555456]

約数ペア:

[(1, 1555456), (2, 777728), (4, 388864), (7, 222208), (8, 194432), (14, 111104), (16, 97216), (28, 55552), (31, 50176), (32, 48608), (49, 31744), (56, 27776), (62, 25088), (64, 24304), (98, 15872), (112, 13888), (124, 12544), (128, 12152), (196, 7936), (217, 7168), (224, 6944), (248, 6272), (256, 6076), (392, 3968), (434, 3584), (448, 3472), (496, 3136), (512, 3038), (784, 1984), (868, 1792), (896, 1736), (992, 1568), (1024, 1519)]