257882009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{26371}}^1$

素因数の和:26516

約数の個数: 16

約数和(自身を含む): 324059136

約数和(自身を除く): 66177127

約数列:

[1, 7, 11, 77, 127, 889, 1397, 9779, 26371, 184597, 290081, 2030567, 3349117, 23443819, 36840287, 257882009]

約数ペア:

[(1, 257882009), (7, 36840287), (11, 23443819), (77, 3349117), (127, 2030567), (889, 290081), (1397, 184597), (9779, 26371)]