249571855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{587}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 335075328

約数和(自身を除く): 85503473

約数列:

[1, 5, 13, 31, 65, 155, 211, 403, 587, 1055, 2015, 2743, 2935, 6541, 7631, 13715, 18197, 32705, 38155, 85033, 90985, 123857, 236561, 425165, 619285, 1182805, 1610141, 3839567, 8050705, 19197835, 49914371, 249571855]

約数ペア:

[(1, 249571855), (5, 49914371), (13, 19197835), (31, 8050705), (65, 3839567), (155, 1610141), (211, 1182805), (403, 619285), (587, 425165), (1055, 236561), (2015, 123857), (2743, 90985), (2935, 85033), (6541, 38155), (7631, 32705), (13715, 18197)]