28955238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 65372160

約数和(自身を除く): 36416922

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 79, 111, 127, 158, 222, 237, 254, 381, 474, 481, 762, 962, 1027, 1443, 1651, 2054, 2886, 2923, 3081, 3302, 4699, 4953, 5846, 6162, 8769, 9398, 9906, 10033, 14097, 17538, 20066, 28194, 30099, 37999, 60198, 61087, 75998, 113997, 122174, 130429, 183261, 227994, 260858, 366522, 371221, 391287, 742442, 782574, 1113663, 2227326, 4825873, 9651746, 14477619, 28955238]

約数ペア:

[(1, 28955238), (2, 14477619), (3, 9651746), (6, 4825873), (13, 2227326), (26, 1113663), (37, 782574), (39, 742442), (74, 391287), (78, 371221), (79, 366522), (111, 260858), (127, 227994), (158, 183261), (222, 130429), (237, 122174), (254, 113997), (381, 75998), (474, 61087), (481, 60198), (762, 37999), (962, 30099), (1027, 28194), (1443, 20066), (1651, 17538), (2054, 14097), (2886, 10033), (2923, 9906), (3081, 9398), (3302, 8769), (4699, 6162), (4953, 5846)]