198618475

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 278839296

約数和(自身を除く): 80220821

約数列:

[1, 5, 11, 25, 47, 55, 121, 127, 235, 275, 517, 605, 635, 1175, 1331, 1397, 2585, 3025, 3175, 5687, 5969, 6655, 6985, 12925, 15367, 28435, 29845, 33275, 34925, 62557, 65659, 76835, 142175, 149225, 169037, 312785, 328295, 384175, 722249, 845185, 1563925, 1641475, 3611245, 4225925, 7944739, 18056225, 39723695, 198618475]

約数ペア:

[(1, 198618475), (5, 39723695), (11, 18056225), (25, 7944739), (47, 4225925), (55, 3611245), (121, 1641475), (127, 1563925), (235, 845185), (275, 722249), (517, 384175), (605, 328295), (635, 312785), (1175, 169037), (1331, 149225), (1397, 142175), (2585, 76835), (3025, 65659), (3175, 62557), (5687, 34925), (5969, 33275), (6655, 29845), (6985, 28435), (12925, 15367)]