25701585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 53329920

約数和(自身を除く): 27628335

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 665, 741, 991, 1235, 1365, 1729, 1995, 2973, 3705, 4955, 5187, 6937, 8645, 12883, 14865, 18829, 20811, 25935, 34685, 38649, 56487, 64415, 90181, 94145, 104055, 131803, 193245, 244777, 270543, 282435, 395409, 450905, 659015, 734331, 1223885, 1352715, 1713439, 1977045, 3671655, 5140317, 8567195, 25701585]

約数ペア:

[(1, 25701585), (3, 8567195), (5, 5140317), (7, 3671655), (13, 1977045), (15, 1713439), (19, 1352715), (21, 1223885), (35, 734331), (39, 659015), (57, 450905), (65, 395409), (91, 282435), (95, 270543), (105, 244777), (133, 193245), (195, 131803), (247, 104055), (273, 94145), (285, 90181), (399, 64415), (455, 56487), (665, 38649), (741, 34685), (991, 25935), (1235, 20811), (1365, 18829), (1729, 14865), (1995, 12883), (2973, 8645), (3705, 6937), (4955, 5187)]