388864

素因数分解:

$2^8\times 7^2\times {\mathrm{31}}^1$

素因数の和:61

約数の個数: 54

約数和(自身を含む): 932064

約数和(自身を除く): 543200

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, 784, 868, 896, 992, 1519, 1568, 1736, 1792, 1984, 3038, 3136, 3472, 3968, 6076, 6272, 6944, 7936, 12152, 12544, 13888, 24304, 27776, 48608, 55552, 97216, 194432, 388864]

約数ペア:

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