207980795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{9721}}^1$

素因数の和:10126

約数の個数: 16

約数和(自身を含む): 272993760

約数和(自身を除く): 65012965

約数列:

[1, 5, 11, 55, 389, 1945, 4279, 9721, 21395, 48605, 106931, 534655, 3781469, 18907345, 41596159, 207980795]

約数ペア:

[(1, 207980795), (5, 41596159), (11, 18907345), (55, 3781469), (389, 534655), (1945, 106931), (4279, 48605), (9721, 21395)]