81572036

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7229}}^1$

素因数の和:7284

約数の個数: 48

約数和(自身を含む): 181386240

約数和(自身を除く): 99814204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 7229, 11284, 14458, 28916, 50603, 93977, 101206, 187954, 202412, 224099, 375908, 448198, 657839, 896396, 1315678, 1568693, 2631356, 2913287, 3137386, 5826574, 6274772, 11653148, 20393009, 40786018, 81572036]

約数ペア:

[(1, 81572036), (2, 40786018), (4, 20393009), (7, 11653148), (13, 6274772), (14, 5826574), (26, 3137386), (28, 2913287), (31, 2631356), (52, 1568693), (62, 1315678), (91, 896396), (124, 657839), (182, 448198), (217, 375908), (364, 224099), (403, 202412), (434, 187954), (806, 101206), (868, 93977), (1612, 50603), (2821, 28916), (5642, 14458), (7229, 11284)]