25721304

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 73885440

約数和(自身を除く): 48164136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 283, 541, 566, 849, 1082, 1132, 1623, 1698, 1981, 2164, 2264, 3246, 3396, 3787, 3962, 4328, 5943, 6492, 6792, 7574, 7924, 11361, 11886, 12984, 15148, 15848, 22722, 23772, 30296, 45444, 47544, 90888, 153103, 306206, 459309, 612412, 918618, 1071721, 1224824, 1837236, 2143442, 3215163, 3674472, 4286884, 6430326, 8573768, 12860652, 25721304]

約数ペア:

[(1, 25721304), (2, 12860652), (3, 8573768), (4, 6430326), (6, 4286884), (7, 3674472), (8, 3215163), (12, 2143442), (14, 1837236), (21, 1224824), (24, 1071721), (28, 918618), (42, 612412), (56, 459309), (84, 306206), (168, 153103), (283, 90888), (541, 47544), (566, 45444), (849, 30296), (1082, 23772), (1132, 22722), (1623, 15848), (1698, 15148), (1981, 12984), (2164, 11886), (2264, 11361), (3246, 7924), (3396, 7574), (3787, 6792), (3962, 6492), (4328, 5943)]