2550556

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 4691456

約数和(自身を除く): 2140900

約数列:

[1, 2, 4, 31, 62, 67, 124, 134, 268, 307, 614, 1228, 2077, 4154, 8308, 9517, 19034, 20569, 38068, 41138, 82276, 637639, 1275278, 2550556]

約数ペア:

[(1, 2550556), (2, 1275278), (4, 637639), (31, 82276), (62, 41138), (67, 38068), (124, 20569), (134, 19034), (268, 9517), (307, 8308), (614, 4154), (1228, 2077)]