2051205128

素因数分解:

$2^3\times 7^1\times {\mathrm{641}}^1\times {\mathrm{57143}}^1$

素因数の和:57797

約数の個数: 32

約数和(自身を含む): 4402373760

約数和(自身を除く): 2351168632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 641, 1282, 2564, 4487, 5128, 8974, 17948, 35896, 57143, 114286, 228572, 400001, 457144, 800002, 1600004, 3200008, 36628663, 73257326, 146514652, 256400641, 293029304, 512801282, 1025602564, 2051205128]

約数ペア:

[(1, 2051205128), (2, 1025602564), (4, 512801282), (7, 293029304), (8, 256400641), (14, 146514652), (28, 73257326), (56, 36628663), (641, 3200008), (1282, 1600004), (2564, 800002), (4487, 457144), (5128, 400001), (8974, 228572), (17948, 114286), (35896, 57143)]