1291216948

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{90599}}^1$

素因数の和:91119

約数の個数: 24

約数和(自身を含む): 2587536000

約数和(自身を除く): 1296319052

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 2036, 3563, 7126, 14252, 90599, 181198, 362396, 634193, 1268386, 2536772, 46114891, 92229782, 184459564, 322804237, 645608474, 1291216948]

約数ペア:

[(1, 1291216948), (2, 645608474), (4, 322804237), (7, 184459564), (14, 92229782), (28, 46114891), (509, 2536772), (1018, 1268386), (2036, 634193), (3563, 362396), (7126, 181198), (14252, 90599)]