28919444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3491}}^1$

素因数の和:3623

約数の個数: 24

約数和(自身を含む): 53776800

約数和(自身を除く): 24857356

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 3491, 4142, 6982, 8284, 13964, 66329, 132658, 265316, 380519, 761038, 1522076, 7229861, 14459722, 28919444]

約数ペア:

[(1, 28919444), (2, 14459722), (4, 7229861), (19, 1522076), (38, 761038), (76, 380519), (109, 265316), (218, 132658), (436, 66329), (2071, 13964), (3491, 8284), (4142, 6982)]