257137901

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 279869184

約数和(自身を除く): 22731283

約数列:

[1, 31, 37, 73, 83, 1147, 1369, 2263, 2573, 2701, 3071, 6059, 42439, 83731, 95201, 99937, 113627, 187829, 224183, 3098047, 3522437, 6949673, 8294771, 257137901]

約数ペア:

[(1, 257137901), (31, 8294771), (37, 6949673), (73, 3522437), (83, 3098047), (1147, 224183), (1369, 187829), (2263, 113627), (2573, 99937), (2701, 95201), (3071, 83731), (6059, 42439)]