12761315

素因数分解:

$5^1\times 7^4\times {\mathrm{1063}}^1$

素因数の和:1096

約数の個数: 20

約数和(自身を含む): 17881584

約数和(自身を除く): 5120269

約数列:

[1, 5, 7, 35, 49, 245, 343, 1063, 1715, 2401, 5315, 7441, 12005, 37205, 52087, 260435, 364609, 1823045, 2552263, 12761315]

約数ペア:

[(1, 12761315), (5, 2552263), (7, 1823045), (35, 364609), (49, 260435), (245, 52087), (343, 37205), (1063, 12005), (1715, 7441), (2401, 5315)]