291520405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1031}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 393216768

約数和(自身を除く): 101696363

約数列:

[1, 5, 11, 53, 55, 97, 265, 485, 583, 1031, 1067, 2915, 5141, 5155, 5335, 11341, 25705, 54643, 56551, 56705, 100007, 273215, 282755, 500035, 601073, 1100077, 3005365, 5300371, 5500385, 26501855, 58304081, 291520405]

約数ペア:

[(1, 291520405), (5, 58304081), (11, 26501855), (53, 5500385), (55, 5300371), (97, 3005365), (265, 1100077), (485, 601073), (583, 500035), (1031, 282755), (1067, 273215), (2915, 100007), (5141, 56705), (5155, 56551), (5335, 54643), (11341, 25705)]