1913989

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 2511648

約数和(自身を除く): 597659

約数列:

[1, 7, 11, 49, 53, 67, 77, 371, 469, 539, 583, 737, 2597, 3283, 3551, 4081, 5159, 24857, 28567, 36113, 39061, 173999, 273427, 1913989]

約数ペア:

[(1, 1913989), (7, 273427), (11, 173999), (49, 39061), (53, 36113), (67, 28567), (77, 24857), (371, 5159), (469, 4081), (539, 3551), (583, 3283), (737, 2597)]