808535975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 1146593280

約数和(自身を除く): 338057305

約数列:

[1, 5, 13, 19, 25, 65, 95, 127, 247, 325, 475, 635, 1031, 1235, 1651, 2413, 3175, 5155, 6175, 8255, 12065, 13403, 19589, 25775, 31369, 41275, 60325, 67015, 97945, 130937, 156845, 254657, 335075, 489725, 654685, 784225, 1273285, 1702181, 2487803, 3273425, 6366425, 8510905, 12439015, 32341439, 42554525, 62195075, 161707195, 808535975]

約数ペア:

[(1, 808535975), (5, 161707195), (13, 62195075), (19, 42554525), (25, 32341439), (65, 12439015), (95, 8510905), (127, 6366425), (247, 3273425), (325, 2487803), (475, 1702181), (635, 1273285), (1031, 784225), (1235, 654685), (1651, 489725), (2413, 335075), (3175, 254657), (5155, 156845), (6175, 130937), (8255, 97945), (12065, 67015), (13403, 60325), (19589, 41275), (25775, 31369)]