2117939248

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{399913}}^1$

素因数の和:400252

約数の個数: 20

約数和(自身を含む): 4115914888

約数和(自身を除く): 1997975640

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 399913, 799826, 1599652, 3199304, 6398608, 132371203, 264742406, 529484812, 1058969624, 2117939248]

約数ペア:

[(1, 2117939248), (2, 1058969624), (4, 529484812), (8, 264742406), (16, 132371203), (331, 6398608), (662, 3199304), (1324, 1599652), (2648, 799826), (5296, 399913)]