28435456

素因数分解:

$2^{10}\times 7^1\times {\mathrm{3967}}^1$

素因数の和:3994

約数の個数: 44

約数和(自身を含む): 64979968

約数和(自身を除く): 36544512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 3967, 7168, 7934, 15868, 27769, 31736, 55538, 63472, 111076, 126944, 222152, 253888, 444304, 507776, 888608, 1015552, 1777216, 2031104, 3554432, 4062208, 7108864, 14217728, 28435456]

約数ペア:

[(1, 28435456), (2, 14217728), (4, 7108864), (7, 4062208), (8, 3554432), (14, 2031104), (16, 1777216), (28, 1015552), (32, 888608), (56, 507776), (64, 444304), (112, 253888), (128, 222152), (224, 126944), (256, 111076), (448, 63472), (512, 55538), (896, 31736), (1024, 27769), (1792, 15868), (3584, 7934), (3967, 7168)]